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Topic Links:

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External Links Note:
SARA/W8QQQ is not responsible for information on 'External Link' sites.

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These jump to correct topic area:
Return by 'Top of Page' link.

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Amps/Tuners/Rotors
Antenna Suppliers / Manf.
Antenna Software (Design)
Antenna Modeling Software
Antenna Construction
Antenna Tuners&Misc.
Arduino Information
Arduino Libraries
Arduino Projects
ARPS - GPS - Precision Time
Audio Amps&Filters
Aviation/Marine Info
Baluns/RF Stuff
BC Band&SW Radio
BitX Rigs
Callsign Searches
Coax, etc.
Computer Hardware
Contest Sites
Digital Comms.
Electronic Theory
Gov't Related
Ham Topics (General)
Magazines
Manufacturers
News, Sports & Entertainment
Podcasts [Ham]
QRP Topics
Raspberry Pi [RPi]
Reference General
Retailers
Small Batch Assembly
Software - Misc.
Solar References
Technology Interests- General
Towers
WEB Directories - People ~ Distance
WEB Search Sites
Weather Related
Zum Spot
SARA's Excel Files Area
SARA Project Reports

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External Links
SARA/W8QQQ is not responsible for information on 'External Link' sites.

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SARA's Favorite Web Links

  ALMOST ALL LINKS ARE EXTERNAL!

SARA/W8QQQ is not responsible for information on 'External Link' sites.

Shiawassee Amateur Radio Association [SARA] believes that these links represent a nice cross-section of web sites that may be of interest to amateur radio operators. They are listed by 'topic' and then alphabetical. If you find broken links or believe that we should add some new links, please email us the information. {Sometimes we put in errors just so you can contact us to tell us we made a mistake! Can you find them? -- just kidding.}

We hope you enjoy this page of links with over 1000 links! Also do not forget to search the SARA site with search at the top of the page, there about another 500 links scattered through the site to additional information on many topics. It seems that we keep adding frequently/constantly ;>} We encourage feedback on what you like/dislike and what you would like added {or perhaps you found one of those mistakes or broken links}.

HINT 1: Use the 'Topic Links' area (left side) to quickly get to the topic on this page you want to review. Internally you can use the 'top of page' to get back to the start of the page data.

HINT 2: Use the 'Google search' box (at the top) to look for any 'keyword' to find what you are looking for on this page OR the entire web site. You control if you search just our site or the entire Web!

If you decide to print the entire web links page it is about 17/18 pages! Just saying "lets save a tree"!

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Amps / Tuners / Rotors

• LDG Electronics ~ Antenna Tuners
• Nye Viking ~ Antenna Tuners
• SGC World ~ Antenna Tuners
• Alpha Delta Comms ~ Switches, Insulators, Antenna Components & Systems
• Alfa Radio ~ Rotors and Controllers
• Bencher - Amateur Products (sold to Vibroplex) ~ Keys and other Hardware
• C.A.T.S. Rotor Doctor ~ Rotor Repairs
• Gateway Electronics ~ Parts
• K8CU ~ Touchscreen Rotor Control System
• RF Relay Store ~ Relays and Parts
• W8ZR ~ High Power Antenna Tuner & Station Controlers
• W9CF Links ~ Links for Antennas and Tuners, etc.

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Antenna Suppliers / Manufacturing

• Alyx Shortwave Antennas ~ Commericial Shortwave Antennas and Information
• Antenna Products ~ Commericial Antennas of All Kinds
• Amateur Radio Supplies - NH ~ Antenna and HR Supplies
• Arrow Antennas ~ Arrow Antenna Products ~ VHF
• Buddie Pole ~ Portable Antenna Supplies
• Buddie Poles Manual Page ~ Check out the 'in-the-field' files for some good information.
• Homebrew Buddistick Plans ~ Plans from Budd on making your own Buddistick!
• Barker & Willliamson - Antennas ~ B & W Antenna Supplier
• Comet Antenna [NCG Company] ~ Amateur Antennas
• Davis RF ~ Amateur Antennas
• Elk Antennas ~ Amateur Antennas
• Fractal Antennas ~ Amateur Antennas
• Gap Antennas ~ Amateur Antennas
• Hex-Beam Antennas ~ HF Antennas
• Hustler Antennas ~ Amateur Antennas
• Hy Power Antenna Company ~ Amateur Antennas
• Hi-Q Antennas ~ HF Mobile Antennas
• Hy-Gain Antennas ~ Amateur Antennas
• KIO Technology ~ Hex Beam
• Laird Antennas ~ Amateur Antennas
• M2 Antenna Systems ~ Amateur Antennas
• Mosley Antennas ~ Amateur Antennas
• My Antennas and Accessories ~ Amateur Antennas by E73M ~MyAntennas
• SOTA Beams ~ Amateur Radio Products (Antennas / Audio Filters / Wolfwave / ... much more!)
• Tarheel Antennas ~ HF Mobile Antennas
• Telewave Antennas ~ VHF Antennas & Antenna Components
• Tennadyne Antennas ~ Log Periodic Antennas for HF
• Texas Towers ~ Antennas & Parts from Various Suppliers
• Titanex Antennas ~ HF Antennas

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Antenna Software (Design)

• Funet ~ FTP Site of Many Antenna Programs
• Ground Conductivity in USA ~ Important for Antenna System Design Understanding
• Impedance Matching Design Calculator ~ Calculator for Design Matching
• K1TTT ~ Technical Reference Links (Antennas and Filters {plus many others})
• K5TR Antenna Information ~ Various Antenna Designs
• K8CU QST Article ~ Log-Periodic Antenna
• Antenna Design Calculators ~ N6ACH Various Calculators
• Seven-Element Circularly Polarized Patch Antenna ~ 2.2875 GHz Antenna
• Spread Spectrum - Antennas ~ Antenna and RF Software (free)
• Yagi Stress - K7NV ~ Calculate Stress in a Yagi Design

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Antenna Modeling Software

• AC6LA ~ Antenna Modeling & Utility Software
  - Dan Maguire has transmission line and antenna analysis files for you to use. (Antenna Analyzer, also)
• EZNEC Antenna Modeling- W7EL ~ Antenna Modeling
• W8IO / WB0DGF Antenna Site ~ Some Antenna Modeling Topics {NEC / MOM / FEA types}.

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Antenna Construction

• 160/80m Coaxial Receiving Loops ~ Loop Antenna for Receiving
• 160m 'L' Antenna - NS8O ~ Yep, a 160m L
• Angelfire ~ Rombic Antenna
• Beverage Antenna ~ W8JI Actual Construction Discussions {Hints}
• Double-L Antenna ~ Antenna Design
• EZ Hang - Antenna Installation ~ Antenna Installation
• Hard Core DX {HCDX} ~ Ballon & Kite Antennas
• HCDX Beverage Antennas ~ Practical Beverage Antennas
• K9AY Loop Antenna at Hard Core DX ~ Design & Control of K9LAY Antenna
• IZ7ATH Web Page/Link to Antennas ~ Antennas & Digital Techniques
• KC1XX Web ~ Antennas & Contesting
• Moxan Reactangles {W4RNL - L.B. Cebik [SK]} ~ Index of Information.
• NVIS Antenna by W0IPL ~ Near Vertical Incidence Systems
• Radio Hobbyist ~ Blog with Antenna Construction Section & DX Information
• RadioWorks ~ RF Ground Systems
• RadioWorks ~ Theory of Baluns
• VK7JJ Squid Pole Antenna ~ Verticl Antenna design using Fiberglass telescoping pole for portable antenna (HF)
• VK2BA Antennas ~ Yagi Beams
• W3LPL ~ Beverage Antenna Information from WB3ANQ Website.
• W5GI / IW5EDI ~ Mystery Antenna (Coaxial Dipole Multi-Band)
• W8JI ~ Curtain Sterba Antenna
• W8JI Web Page ~ Antennas and Amplifier Information

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Antenna Tuners & Miscellaneous Topics

• Active Antenna Amplifer - LZ1AQ - intended for construction of small wideband active receiving antennas from LF to upper HF bands.
• Array Solutions ~ Filters, Antenna Array Information and Misc. Parts
• BHI Noise Cancellation Products ~ Microphone Processor Products
• Bird Technologies ~ Watt Meters & RF Products
• Bo'sun Supplies ~ Antenna Parts (Stainless Steel [SS] Hardware)
• Nye Viking ~ Antenna Tuners
• SGC World ~ Antenna Tuners

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Arduino Information

The following are some useful references for the Arduino and-or the AD9850/AD9851:

Checkout our internal link - SARA's Arduino Page.

• Arduino Official Site ~ The "official' history and current information.
• Arduino Shield List ~ Lists of known shields for lots of ideas.
• Adafruit's Shield Compatibility ~ Adafruit's list on compatibility.
• Arduino Playground Projects ~ Many "Projects" for you to consider.
• Simple Capacitance Meter from Arduino ~ A good starting project.
• Arduino Tips and Tricks ~ Adafruit's Arduino Tips... good reading.
• Arduino Forum ~ A place to see and review question topics and ask your own.
• Foundation Learning for the Arduino ~ A good starting place on Arduino.
• Webshed - Arduino & AD9850 ~ Some simple code for testing your AD9850 with Arduino (No LCD readout)
• Arduino - 'What Is?' on Wikispaces ~ Good Starting Point for learning Arduino.
• Ham Projects Home Page ~ See the Mortty (Arduino) Project for CW / RTTY Keyer Kit.
• I2C Bus 'Arduino' Tutorial {Part 1] ~ I2C Bus, Part one of several on I2C for Arduino Projects.
• I2C LCD 'Arduino' Tutorial ~ Nice explanation of I2C LCD for Arduino Projects.
• Arduino Zero Buy Site ~ Newer Zero model with 3.3 volt logic.
• Arduino Zero Tutorial ~ Technical Start on Zero.
• Top Techboy Arduino Tutorials (uTube) ~ Good video Tutorials for the Arduino.

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Arduino Libraries and Teensy

The following are some additional useful libraries you may wish to investigate:

• LiquidCrystal_I2C ~ I2C Liquid Crystal Display (uses only four wires for display, only 2 data pins and power / ground - Oh, you can connect other devices to the two data pins.)
• DHTxx Temperature & Humidity Sensors ~ That is the place.
• Frequency Counter - Teensy/Arduino ~ Freq. Counter and check out Frequency Measure.
• TinyGPS and Tiny GPS++ for Arduino ~ GPS Interfacing from arduiniana.org
• I2C Main Library from GitHub ~ Considered better than the 'stock' library.
• OneWire ~ Communication on One Wire
• Main Page to 24 Libraries for Projects (like) LCD5110 Display and Keypad ~ See just the Rinky Dink Electronics ~ Libraries Page.
• Timer Library ~ From www.github.com/JChristensen/Timer.
• MorseEnDecoder ~ From code.google.com/p/morse-endecoder.
• AS3935 Lightning Sensor ~ From www.github.com/SloMusti/AS3935-Arduino-Library.
• PJRC Electronic Projects>PJRC Electronic Projects ~ Projects and Software Libraries
• Various Arduino Plaground Libraries" ~ Lots of libraries and projects for you to look through.

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Arduino Projects

Some 'Arduino Projects' to display some uasges:

• Signal Processing on Arduino ~ DSP on an Arduino Project.
• Official Arduino Projects Site ~ Some Projects for Many Purposes.
• Teensy Based DSP Audio Filter ~ GI1MIC DIY DSP Audio Filter

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ARPS - GPS - Precision Time

• APRS Search Page from N9WTM ~ Find weather spots and ham calls using details you enter.
• APRS Search Page from N2IXD ~ Find weather spots and ham calls using details you enter.
• Findu Database Archive ~ archiving weather, position, telemetry, and message data.
• Automatic Position Reporting System APRS ~ system developed by Bob Bruninga, WB4APR, which uses amateur radio to transmit position reports, weather reports, and messages between users.
• APRS Site - TAPR ~ tracking and digital communications with mobile GPS equipped stations with two-way radio. It has grown to encompass just about every aspect of Amateur Radio.
• APRS-IS Site ~ APRS-IS (Automatic Packet Reporting System-Internet Service) is the common name given to the Internet-based network which inter-connects various APRS radio networks throughout the world (and space).
• Aprs.org site ~ a real-time local tactical communications system for rapidly exchanging digital data of immediate value to operations. This really took off when GPS became available and MAPS were integrated into the system for tactical situational awareness of everything in the net.
• Tucson Amateur Packet Radio Corp. [TAPR] ~ Lots of radio and packet information, kits, etc.
• 'Time Is' ~ Checks the time on your computer system with high accuracy.
• Net Time System Program ~ a 'freeware' system time sychronizing program for improved system time management.
• 4 ways to use GPS ~ How to Use a GPS. GPS, or Global Positioning System, Devices are ubiquitous these days. Shows you how to use them.
• WWV and WWVH Time and Frequency Broadcast Information ~ Frequencies used and time data.

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Audio (Amps & Filters) - Simple

• Tech Library - Audio Amps ~ Simple Audio Amplifiers.
• The Radio Board Forums ~ Voltage Regulator TL431 as Audio Amp.
• Beginner's Guide to DSP (Analog Devices) ~ DSP Filter Basics.
• DSP 101 Part1 Introductory Course in DSP Systems Design from Analog Dialogue ~ What is it and how it is done. Links at end to other parts of the course.
• DSP Filter (MM Hamsoft) ~ DSP on a Windows Box.
• GI1MIC - DSP Filter on Teensy ~ Free DSP Filter Software.
• Arduino Audio DSP Projects ~ Thoughts on Audio Processed through an Arduino.
• DIY Audio Projects ~ Projects for the Audiophiles.

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Aviation / Marine Information

• Aero Information World Wide ~ Airports & Navigation ~ NDB & VLF Information
• Aviation Navigation ~ Airport & Nav. Beacon Information.
• Aviation Navigation ~ Airports - Airport Information.
• Flight Aware ~ Flight and Airport Information (real time locators).
• DTW (Detroit) Flights from Flight Aware ~ flights view.
• Landings.COM (Home Page) ~ Aviation Related Stuff.
• Sky Vector ~ Aeronautical Charts / Airport Data.
• Global Air ~ U.S. Airport by State.
• Marine Traffic ~ Marine Traffic Map.
• Inland Marine Radio History Archive ~ 1930 to 1990s history of Radio for Inland Marine.
• http://www.radiomarine.org/ ~ Keeping Maritime CW station on the air and providing you a way to listen via internet.
• NASA International Space Station Location ~ Locate the International Space Station.
• NASA Science Page ~ Links for NASA Science News Features.
• NASA's Science News ~ short videos abount various NASA programs and the science they are studying {You Tube type clips}.
• SDR Play and Virtual Radar Setup ~ track airplanes with SDR Play.

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Baluns/RF Stuff

• YouTube - Job of a Balun (part 1) ~ Explains Balun's job and use in Ham Radio.
• YouTube - How to Wind a Balun (part 2) ~ Wind your own information.
• Field Antenna Handbook - US Marine Corps ~ Marine Corps antenna handbook with lots of details.

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BC Band & SW Radio

• American Bandscan Blog ~ Unusual long-distance reception of regular domestic AM & FM radio and television stations. Blogspot.
• Antique Radios - Forums ~ Radio and TV Discussions on many topics.
• BCB DXing Basics ~ SARA's thoughts to get you started.
• Shortwave Radio Audio Archieve ~ Audio recordings of shortwave that you can listen to on your computer.
• Radio Locator ~ Find BC Radio Station Information.
• Dave's MakeRadio Site ~ Lot's of Homemade Crystal Radio Thoughts.
• Cyber College Shortwave Listening Topic ~ Information about SW listening.
• DXing.com SW Listening List ~ List of stations.
• DXing.com SWL Introduction ~ Intoduction to SWLing.
• DXing.com International Broadcaster Web Sites ~ List of Broadcaster's Web Sites.
• FCC Database Search for BC Stations ~ FCC Station Information.
• FCC Az & Distance Calculator ~ FCC Calculator for Finding Azimuth and Distance between Lat/Long Points.
• Radio Explorer SW Schedules ~ Displays station schedules for many stations around the world (database is updated regularly).
• Radio Garden Web Site ~ Listen to BC Stations around the globe via internet.. click and play. (The map display is worth a visit (like Google Earth).
• Radio Monitoring a How To Guide ~ from North American SW Assoc. [NASWA].
• North American Shortwave Association [NASWA] ~ Home Page for NASWA.
• Shortwave Central Blog ~ Teak Publishing Blog Broadcast, Amateur and Clandestine Information.
• Shortwave Info Site ~ Great site for current shortwave station data.
• SW Listening Clubs ~ Ham Radio India's Club List.
• Shortwave Schedules ~ Station Lists.
• Shortwave Radio.com ~ Site with links to SWLing Information.
• Shortwave Radio Site ~ SW Station Information.
• Shortwave Radio Broadcast Stations List (Belgium) ~ List of SW stations and links to stations.
• World of Radio Station Hitlist ~ Links to International and National Radio Station webpages.Includes 'live-stream links'.
• Beligum Shortwave Radio Site ~ SW Station Information.
• Utility Planet Blog ~ Utilities are all VLF/LF/MF/HF (and sometimes low-band VHF) radio communications except broadcasting, CB, and non-emergency amateur. Blogspot.
• World of Radio DX program list ~ List of SW stations by time with frequencies.
• World of Radio - Radio Schedules ~ Schedules for many stations.

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Bitx Rigs

• HFSIGS ~ Bitx-40 Transciever.
• N6QW Site ~ Bitx40 Resource Site with Information and Useful Links.
• N6QW 2016 Blog Site for Bitx40 ~ Lots of Information on Bitx40.
• Soldersmoke Blog ~ Lots of Bitx40 Information and Pictures.
• Soldersmoke Bitx40 Search Results ~ Different then the first, but detailed information.
• Raspberry Pi & Softrock SDR ~ SDR on RPi Information.
• Elmer 160 Homepage ~ Course on Programming PIC Chips.

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Callsign Search Information

• Radio QTH ~ Callsign Lookups and Vanity Call Actions - free.
• QRZ Callsign Database ~ Lookups for free.
• QTH Mailing List ~ Lookups for free.
• UALR Callsign Database ~ University of Alabama - Little Rock (free)

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Coax, Baluns, etc.

• Amidon ~ Ferrite Products - Baluns, Unbaluns, Ferrites, etc.
• Amphenol ~ Antenna & Coax Connectors
• Beldon - Coax, etc. ~ Beldon Cable Information and Specifications
• Beverage Antenna Transformers - K1FZ ~ Anntenna Matching Data
• Byte Mark ~ CWS ~ Baluns/UNbaluns/Cores
• Cable X-perts ~ Look for Coax Jumpers
• Communication Coil - Networks, Coils, Filters, Baluns, Unbaluns, etc.
• EMC Technology (now Smiths Interconnect) ~ Miscelaneous RF Parts and Networks
• Fair-Rite ~ Ferrite Products
• Field Components ~ Coaxial Cablee Assemblies and Solution Products
• G4SWX ~ Coaxial Stub Filters
• L-com Global Connectivity ~ Connectors, Networking (wired & wireless), etc.
• MGS Max-Gain-Systems ~ Fiberglass/RF Connectors/etc.
• Nemal Cable & Connectors ~ Antenna Interconnects
• Palomar Engineers ~ Ferrite & Antenna Products
• The Wireman ~ Coax, Connectors, Wire, & Baluns
• True Ladder Line & Wire Antennas ~ Antenna Support Products
• Unadilla - W2AU/W2VS ~ Antennas & Baluns
• W7GJ ~ Stubs and Filters

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Computer Hardware

• Hardware Book ~ Large collection of connector pinouts and cable descriptions (free).
• PC Guide ~ Computer Power Supply Information.
• Play Tool ~ Computer Power Supply Information
• Open Interface Site ~ Computer to Rig Interface (Open Source Hardware and Software)

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Contest Sites

• Amateur Data Interchange Format ~ Program Exchange of Data Specification
• B and B Cyber Software ~ Contest Trainer Software
• CommCat (Apple Software) ~ Software for Contesting
• Commander ~ Rig Control Software
• Communication Technologies ~ RadioComm (Bonito Software) Control and Logging
• County Hunters ~ County Hunter Information
• CW Receive/Transmit ~ With the PK-232 and Writelog
• CW Send / Recieve uTube (Linux) ~ HAK5 uTube 2108
• DATOM NA ~ Contest Logging and Other Software
• Dr Welp's Soundblaster Collection of Amateur Radio Projects ~ Sound Projects
• DX4WIN ~ Contest Logging Software
• DX Atlas & Other Afreet Software ~ Contesting Software ~ See CW Skimmer~neat
• DXBase ~ Logging Software
• DXsoft ~ Logging and Other Software
• DXtreme" ~ Logging Software
• DXview ~ Logging Software
• GM7PBB's Web Site ~ SSTV, Digital, Icom 756 Pro, & Others
• Ham Soft Linux Software ~ Logging/Utilities for Linux
• HamStuff by W7NN ~ QSL Systems, Contest and DX Aids
• K8ZT Links for Contesting Sites ~ Nice Collection for Contesting Information
• KF8GR Linux Ham Software Links ~ Linux for Hams
• KH2D Software ~ Echolink and Cluster Software
• Logview ~ Log Visualization Tool
• MixW Software USA ~ Digital Modes (Cost V4 in 2018 is $90.00)
• Morse Runner - Afreet Software ~ CW Learning Program
• uTube of Morse Runner in Action ~ Shows a practice session using Morse Runner
• N0HR Ham Resources ~ Check the Links (tons of HR stuff)
• N1MM Logger+ Program ~ Contest Logging and more. Most popular logging program.
• N1MM Spectrum Display Window Details ~ how to setup spectrum display in N1MM.
• N3FJP ~ Contest and General Logging Software {SARA uses this one}
• N4PY Software ~ Rig Control Software
• N7YG Software ~ Software Tab to List Programs
• On All Bands - Contesting for Technicians ~ DX Engineering Blog topic for Technician Claa Licensees.
• RV3APM Software for Soundcards and HR ~ Digital Links and Soundcard Items
• Spread Spectrum ~ Free Public Domain Programs
• SSTV Making it Easy! - G4ZER ~ Good Beginners Page for SSTV
• Sunrise/Sunset Calendars and Local Time ~ Make a Calendar for Your Location
• Super Duper by EI5DI ~ Contest Logging Software (cost involved)
• SV1CNS Ham Software ~ Some Software Links
• TLF Contest Logger Networked ~ Linux and Networked Software
• TR Log Software ~ Contest Logging
• TRX Manager ~ Control and Logging Software (1 month free then $75 for three years)
• W3KM - VHF Logging Software [FREE] ~ Digital Voice & CW Keyer & Other Items
• W9XT Performance Accessories ~ Soundcard/CW Keyers/Voice Keyers
• WD8KNC ~ 'All In One' Logging Software [AIO]
• WJ2O Web Site ~ Master QSO Logging Program
• West Mountain Radio ~ Rigblaster and Other Contest Accessories
• Win-Test ~ Logging Software
• Windows Ham Radio Software ~ DXsoft AALog (Logging) and Other Ham Software
• Write Log (Windows) ~ Logging Software
• XMLog ~ Logging Software
• ZLog Software ~ Logging Software (try the Japanese links too)

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Digital Comms - Hams & Other

• DMR-MARC World Wide Network ~ Network of DMR-MARC Repeaters and Networks.
• FLDIGI ~ W1HKJ Software ~ Popular 'open source' digital modem software.
• Hamshack Hotline ~ a FREE dedicated voip telecom service for the Ham Radio community.
• Michigan Section Digital Radio Group [DRG] ~ MI AMPRnet network {ICS Form Traffic}
• Gqrx SDR Software ~ Open Source SDR software (can use on RPi).
• PSK Reporter ~ Stats on Digital Mode Operation.
• Push to Talk Over Cellular Presentation ~ Internet radio system for "PTT radio type" system.
• WSJT-X Home Site ~ FT8, JT4. JT9, JT65, MSK144, WSPR & Echo Modes are covered by this one program.
• Heavens-Above Site ~ find the ISS location.

  SARA's Hint: Click 'Unnamed' in the top right to get to select location screen. Type your postal code (zip) into 'Enter place to search for' and click Search. Scroll down and click Update. You'll now be back on the homepage; under Satellites/ 10-day predictions, click ISS. For 'Passes to include', select 'all' (this adds in 'daylight passes'.

  The table will now show lists the times of the upcoming ISS passes for your location. The Alt value under 'Highest point' is the maximum elevation of the pass above the horizon; 90 would mean it goes directly overhead. Passes with higher maximum elevation will give better results than lower ones. Clicking on any row in the table shows the sky chart for that pass. Imagine holding that picture above your head and aligning it with the compass directions. The line shows the flight path of the ISS and this is useful for roughly positioning your antenna. It can also be useful to look at the 'Ground track' (see link in top right). Plan ahead and set up your ground station with time to spare before the ISS flies over.

  See MagPi Issue #80, page 62 for a detailed article on capturing SSTV from the ISS. MagPi Issue #80. From Byron, MI and 'Amateur Radio Satelites' you can check for radio satelites that Hams use for communication. Click on the satellite name for more details.

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Electronic Theory Sites

• Electronics Theory.com" ~ Training links on electronics.

Goverment Type Sites

• CHU Radio Information {Canada} ~ Frequencies: 3.330 / 7.850 / 14.670 MHz.
• CHU Canada Time & Frequency National Research Council ~ CHU is Canada's WWV and usually 'louder' in the Michigan Area.
• FCC Licensing Information ~ Licensing for all US electromagnetic spectrum users.
• Federal Bureau of Investigation ~ Yep, those guys and gals.
• Internal Revenue Service ~ Death and Taxes ... enough said.
• U.S. Forest Service / U.S. Department of Agriculture ~ Select "Michigan" as a 'state' for local (to us) services. If you go out of state, (Region 1), you can rent fire lookout towers and other 'neat' spots. Setup a portable ham station for added enjoyment.
• U.S. Securities and Exchange Commision - Resources Page ~ Tools for Investment Management.
• Library of Congress ~ Need a book?
• NASA Home Site ~ National Aeronautics and Space Administration Site.
• National Institute of Standards ~ Time & Frequency Division.
• Time from National Institute of Standards ~ Time (Chose your Timezone).
• WWV Radio Information {NIST USA} ~ 5.00 / 10.00 / 15.00 MHZ at 10 kW and 2.50 / 20.00 MHz at 2.5 kW.   NOTE: Weather Announcements stopped 01 Oct 2017.
• WWVB Radio Station ~ WWVB Details.
• NIST Special Publication 432 ~ Time and Frequency Information from NIST ~ Great Time and Frequency Source (Shows various Internet Sites, see page 64).
• National Oceanic and Atmospheric Administration's National Weather Service ~ NOAA Weather Home Page.
• NOAA - Water Gages Map for Michigan ~ NOAA Map of Gages ("Mouseover" or click gage for detailed Information).
• National Physical Lab (UK) ~ Time, Frequency, & Physical Standards.
• National Park Service ~ Vacation or portable Ops.
• Social Security / Medicare ~ Older Age stuff.
• State of Michigan ~ Some more local government.
• U.S. Postal Service Homepage ~ Going 'Postal'?

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General Ham Topics

• AA9PW Practice Amateur, Commercial & Morse Code Exams ~ Exam Study
• AB4OJ Website ~ Good "links page" and other information {Icom; Tokoyo Hy-Power; Perseus SDR;Yaesu; & RF Propagation}.
• AC6V Home Site ~ 6000 Ham Radio Links
• AE5E AR-Cluster ~ AE5E AR-Cluster DX Spots
• All About Circuits ~ Online Electronic Textbooks
• Amateur Radio.com ~ International Ham Radio News & Opinion.
• American Radio History ~ Archival of magazines about radio and electronics (say Popular Electronics or Ham Radio).
• American Radio Relay League ~ The National Association for Amateur Radio - U.S.
• AMSAT ~ Radio Amateur Satelite Corporation (home page)
• ARRL on Facebook ~ Facebook site for ARRL
• ARRL Ham Glossary of Terms ~ Learn the "Lingo".
• ARRL Great Lakes Division ~ Great Lakes Division of ARRL
• ARRL Ham History ~ Brief View of Ham History
• ARRL Information Service ~ a great resource on technical issues for ARRL Members.
• ARRL International Operating ~ Information on Operating in another country
• ARRL License Manual Reference ~ License Manual Supplement Information
• ARRL Station - W1AW Info ~ Bulletins, Code Practice, 'Guest' operators, etc.
• ARRL Station - W1AW Op Schedule ~ Schedule of Operations
• ARRL Michigan Section ~ Michigan Section's of ARRL site
• Astron Power Supply Information (not direct to Astron) ~ Information from Repeater Builder site on Astron Supplies
• Battery Toolkit Web Page ~ Battery Topics, Boosters, etc. by W5USJ
• Books Online - Technical ~ ’Text & Reference Books’ (post copyright dates)
• CC Cluster (DX Cluster Program) ~ A DX cluster program and Information.
• Calculators {Impedance} for Various Items (39 of them) ~ Inductance, Capacitance Lines, Striplines & Networks {Mantaro}
• Circuit Specialists Blog with Many Categories ~ Topics on Many Electronics Topics. Great for reviewing basic knowledge on various topics.
• CW Ops ~ CW Operators have a group to improve your skills at all levels. Check it out!
• CW Operators Club ~ Club for HF CW Operators.
• CW History of Communications ~ Many links to history of CW.
• CW Practice Files {ARRL} ~ Lots of various Practice Speed Files (about 5 minutes each in length).
• D.C. Smith - High Frequency Measurements ~ Many Papers on High Frequency / EMC /ESD Measurments
• Dry Transfer Rub on Lettering {Letraset} ~ Project Lettering Supplies
• DV Mega Firmware Site ~ DV-Mega D Star hotspot information.
• DX Association Lone Star ~ Great DX assistance links.
• DX Association Links Page at Lone Star ~ The "Links Page" has many ham radio interests covered.
• DX Cluster List ~ List of Popular DX Cluster Sites.
• DX Cluster - Home Site ~ DX Cluster & DX Spider Information.
• DX Cluster Telenet Links at IW5EDI ~ listing of DX Cluster links for Telnet clients.
• DX Scape - A DX Cluster ~ Selectable DX Cluster Spot and Database
• DX Spots ~ Some hints for CC-Cluster (DX Cluster Usage).
• DX Maps - QSO & SWL Real Time Maps ~ Map of various contacts (long time to load ~ wait for it)
• DX Summit ~ DX Summit DX Spotting Site ~ Who is on now!
• DX Zone ~ Tons of Links On Ham Radio Topics
• DX Zone Cluster Link Collections ~ Definitions & Information from DX Zone
• DX World Website ~ DX World 'Expedition Information' - Chasing information.
• Electronics Disposal {Green} - By ZIP Code ~ Disposal Information
• Electronics - Learning About ~ Articles, Projects Coding, Calculators for Help with Electronics (free)
• FCC Wireless Telecommunications Bureau ~ Telecoms on FCC Web site
• Fists CW Club ~ International Morse Code Preservation
• Flex Radio SDR Software Revisions & Manual by KE9NS ~ Some neat changes to the Flex Radio Software.
• Flex Radio Power SDR 2.7.2 by KE9NS - T12 ~ Information on KE9NS Revisions
• Frequency List - N8TNT Site ~ Radio Freqs List {MI Repeaters & Scanner Lists}
• Front Panel Express Design Software ~ Design, layout, produce files for ordering/building a front panel (free).
• FT8 Operating Guide by ZL2IBF ~ Operating Guide (about 40 pages) to get you started.
• Ham Geocoding ~ Grid Square & Latitude/Longitude - HA8TKS Geocode Site
• G3SEK Technical Notebook Site ~ Lots of Technical Note Type Links
• HamCall ~ World-Wide Hamcall Callsign Server
• eHam Net ~ eHam Radio - Articles, Product Reviews, Links, Forums
• HamRadio Magazine ~ Feb-1968 thru Jun-1990 Issues for you viewing on American radio History Site.
• Ham Test Online ~ GREAT for Beginners & License Upgrades
• Ham Test Online Study Tips ~ Ham License Study
• Handiham Site ~ Courage Center Handiham System
• Handiham Club Site ~ Great for handihams users!
• Hard Core DX Site ~ Lots of Links and Information
• Heaven's Above {Satellite & Other Sky Objects} ~ Satellite Data & Planning
• HF Pack ~ Portable-Foot Mobile HF site
• I.A.R.U. Regions ~ links to other I.A.R.U. pages.
• Icom America Download Database ~ Manuals, brochures and other items by radio model number.
• Icom Radios at qsl.net ~ Lots of Icom Radio Items (not from Icom).
• Icom 7300 & 7610 by K0PIR - Ham Radio On ~ Nice link to Networking Logging Software (N1MM and N3FJP.
• James Millen Society ~ Devoted to the 'works' of James Millen and his radio pursuits.
• Keplerian Elements Tutorial (AMSAT) ~ AMSAT elplains orbital elements (satellite motion).
• Lat & Long from an Address ~ What it said.
• Learn on the Fly ~ Random Thoughts and Projects (like arduinos, raspberry pi, amateur radio & medical technology).
• Manuals (Boat Anchors) ~ Site for Older Equipment Manuals & Schematics
• Manuals (Boat Anchors) ~ A "mirror" site.
• Manuals-Test Equipment by KO4BB - Ham Stuff ~ Lots of free informations - Heath & 'other' manufacturer's radio manuals (free). Linkups to "Precision Timing" topic and RPi.
• Military Radio Collectors Association (2017) [MRCA] ~ Collectors of Old Military Gear and Restoration.
• Manuals - Nostalgia Air (Radio Manuals) ~ Many Old Radio Manuals & Schematics for free.
• Maps for Hams (Japan) ~ Various Ham Maps (visual selection available)
• Mathematics (Interactive) ~ Mathematics Online Learning Site
• Mathematics ~ Paul‘s Online Math Tutorials ~ Good Online Math Tutorials
  - [Supplemental Math] Lamar University Portal ~ Lamar University Online Program Portal
• Morse Code at Radio Kids ~ TechWholesale ~ Morse Code Information for Kids!
• N4KC Web Page ~ Don Keith, N4KC, is an author of some radio topic books and a fictional writer (movie 'Hunter Killer' - 2018).
• N4TYV Web Page ~ Weather and Ham Radio Links
• National Radio Club ~ The worlds oldest and largest medium wave DX Club (AM Band).
• Navtex Stations List {ZIP File} ~ YaDD (Yet another DSC Decoder) allows reception Maritime Mobile Ship-to-shore messages (Direct Download).
• Northern California DX Foundation ~ Checkout the Beacons Button (leftside)
• opendous - Upconverter.wiki ~ Convert MF and HF to signals in the VHF bands (125.5 to 175 MHz {for 125 MHz version}) for use with RTL-SDR/SDR# dongle.
• Parallex ~ Basic stamp and other control type modules.
• QRZ Home Page (Callsign Server) ~ Ham Call Sign Lookups
• QSL Cards - Old ~ A Look at older cards as a legacy holder from W8JYZ, Bob Green.
• QSO Party - Michigan ~ MI QSO Party Contest site
• Radiowave Propagation ~ Propagation, Space WX & Sunspot Cycles.
• RF Band Conditions ~ Real time propagation conditions based on HF inospheric inferometry.
• Radio Reference Site Home Page ~ Reference Site for lots of Radio Information and Discussion
• Radio Society of Great Britan ~ Radio Society for British Amateurs
• Tunable Recievers from Radio Reference ~ Links to some online tunable radio receivers.
• Repeater Directory United States ~ Repeaters from 10 Meters to 1.2 GHz for USA
• Repeater Mapping - Levine Ham, K2DSL ~ Google Map display of ham radio repeaters.
• Reverse Beacon Network ~ Listening Stations Reporting Back via Internet
• Remote QTH Controls and Parts ~ Site with Remote QTH Options (All are 'Open Sourced'.
• Rig Interface - Open Source" ~ Complete or all the software/hardware details ($295.00 Euro - Oct 2017)
• Rig Pix ~ Want a Picture of a Radio? Check these out!
• Rocky ~ SDR Radio Software
• RTL-SDR.com ~ RTL Dongle Based Software Defined Radio using 'cheap' RTL2832U chipset devices.
• RT Systems Radio Programming ~ Radio Programming Software
• Schematic.com Site ~ "the language" of electronics.
• SDR.HU Online SDR Recivers for you to investigate ~ Generally a few hundred recievers for you to play with online.
• Satellite Tracking - Gpredict ~ Real Time Satellite Tracking Prrogram.
• SDR Cube Transceiver ~ Self Contained Tx/Rx Unit 'No PC Required'
• SDR - Radio Console Program ~ Free software
• Cubic SDR Application ~ Cross Platform SDR application (supports SDR Play and RTL dongles).
• SDR Play Receiver ~ SDR Play (Receiver)
• SDR Play Community Forum ~ Bulletin Board style forum for SDR Play.
• SDR Play from RPi SD Image ~ Uses SDRplay Support posting.
• SDR Software Applications {Radio Reference Site) ~ SDR Software Applications - from Radio Reference Site
• SDR Quisk ~ SDR for Linux and Windows
• Web SDR ~ Links to many active Web Based SDR around the globe
• SDR Theory & Information (WB5RVZ) ~ Documentation for Projects
• SDR TX/RX Ensemble (WB5RVZ) ~ Ensemble RX/TX Assembly Instructions
• SDR TX/RX (Five Dash / KB9YIG) ~ Order Site for SDR Kits
• SM0VPO Harry Lythall's Web Site ~ Lots of Homebrew Electronics.
• Solar Ham ~ Solar and Aurora information for Hams.
• Solar Sunspot Number Data ~ Sunspot Index and Longterm Solar Observations site with historical Daily Sunspot Information (data files).
• Sound Card Packet ~ Computer Soundcard to use AGWPE Packet
• Spark Fun ~ Electronics Modules ~ Spark Fun Electronics Modules.
• SparkFun Engineering Tutorial ~ Engineering Essential Topics for study.
• Switched Mode Power Supply Ideas ~ New Designs & Reworked Computer Supplies
• Sparky's Blog ~ Blog has links to Hero Preseleccters, Reference Links, etc. (Go to 'Sitemap' then search a term).
• Scientific American Article on Sunspot Cycles" ~ Discuss the cycles of length 11, 88, 200, and 2400 years .
• Sun Spot Watch ~ Propagation, space weather and sunspot cycle watch site.
• SMD Devices Catalog ~ Identify and Specify all your Surface Mount Devices.
• Tech Library - Index ~ Electronic Circuits
• Tonne Software ~ Meter Face Software, Filter Design Software, Elsie, etc.
• Toriod Calculator ~ Online ~ Core Information & Winding Values (Great for doing your own toroids!)
• Toriod Winding ~ How To Wind Them Information
• Transciever Control Radio Reference ~ Transciever Control Reference Page
• Tucson Amateur Packet Radio (TAPR) ~ Digital Communications Info. & Kits
• Understanding SDR ~ SDR with A Low Math Level Explanation
• Vintage QST Articles ~ Varity of QST Articles from RF Cafe.
• Wireless Institute Australia - Ham Organization for Australian Hams
• World Radio Online - Magazine ~ Subscribe an Get a Monthly Magazine
• ZL2PD Homebrew Electronics and Ham Items ~ Si5351 circuits (VFO & Freq. Generators), Micro Projects and more.

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Magazine Copies for Viewing

The internet has many, many pages of archived materials. Hams and Microcomputer magazine topics can be a large resource for your reading. Some sites require a membership and others are totally free. Some sites we have found very usable and we seem to drift back to again and again. The following list is few of this category. We thank all those involved in providing these sources of information. We used the main page American Radio History for many links below, see their list of many others.

Ham Magazines

• 73 Magazine ~ Oct-1960 thru Sep-2003 from American Radio History Site.
• Electronics Illustrated Magazine ~ May-1958 thru Nov-1972 from American Radio History Site.
• Ham Radio Magazine ~ Feb-1968 thru Jun-1990 from American Radio History Site.
• Popular Communications Magazine ~ Sep-1982 thru Dec-2013 from American Radio History Site.
• Popular Electronics Magazine ~ Oct-1954 thru Jan-2003 - Various names. From American Radio History Site.
• QST (early) ~ Dec-1915 till Dec-1949 - Magazine Copies from American Radio History.
• QST Archive 1915 thru Dec-2011 ~ Article search at ARRL (members only) - not issue copies.
• QST Digital Editions Jan--2012 thru 'today' ~ Digital magazine copies.

Computer Magazines

• Index of RPI (MagPi) issues and RPi books (Free). ~ The complete pdf file downloads area for RPi topics (free). Includes Beginners books; Essentials "topic" - where topic is Bash (Command LIn), C, Camera, etc.;
• HackSpace Magazine Issues Page ~ Downloadable Issues of "HackSpace" magazines (Free).

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Manufacturers

• AEA Wireless Technology ~ Analyzers and more.
• Airspy SDR Receivers ~ Low Cost High Performance SDR receivers.
• Alinco USA ~ Radios, etc.
• Ameritron ~ Linear Amplifiers
• Array Solutions ~ Antenna Systems
• Astron Power Supplies ~ {See Astron PS Technical Notes ~ for schematics etc.}
• Bencher, Inc. (sold to Vibroplex) ~ Keys & Supplies
• BHI, Ltd. ~ Speakers & Filters
• Bird Technologies ~ -Wattmeters and Products
• Cushcraft ~ Antennas
• Collins Radio Museum ~ Links for Parts & Service Vendors
• Diamond Antenna ~ Mobile Antennas
• Elecraft Transceiver Kits ~ Kits for Transceivers, Amps, Panadapters
• Elk Antennas ~ Antennas
• Emtron ~ Amplifiers and Power Supplies, Australia
• FlexRadio Systems ~ Software Defined Radio
• Gap Antenna Products, Inc. ~ HF Antennas
• HamTronics ~ VHF & UHF Radio Equipment
• Heil Sound ~ Microphones
• Hy-Gain ~ Antennas
• ICOM America Inc ~ Amateur Radio Equipment Manufacturer
• InnovAntennas ~ Antennas
• International Radio INRAD
• Kenwood Communications Corp. ~ USA Amateur Radio Equipment Manufacturer
• LDG Electronics ~ Antenna Tuners, Baluns, etc.
• MAHA Energy ~ Manufactures Batteries, Battery Packs and Chargers
• MFJ Enterprizes ~ Amateur Equipment Manufacturer & Retailer
• Mirage Communication Equipmment ~ VHF & UHF amplifiers and accessories
• M2 Antenna Systems, Inc. ~ Antennas
• National RF Inc. ~ Test equipment & Wx sat antennas.
• NGC Company ~ NGC Companies (Antennas, LAN, etc.)
• Palstar Amplifiers ~ Linear Amplifiers, Tuners, & Filters
• Palomar Engineers
• Powerwerx ~ Power & RF Interfaces
• QRO Technologies ~ HF Linear Amplifiers
• Radio Shack ~ Retailer
• Ranger Communications ~ 6M rigs - 10M and 10/12M all modes
• SGC, Inc. ~ HF Tuners, Antennas and Accessories
• Sherwood Engineering, Inc. ~ Ham Radio Products - Drake Mods / Filters
• Shure Bros ~ Microphones, Mixers etc.
• SteppIR Antennas ~ Antennas
• Ten-Tec Homepage ~ Radio Manufaacturers & Retailers
• Tennadyne ~ Antennas
• Tigertronics ~ Computer Interfaces
• Timewave Technology ~ Computer Interfaces
• Vibroplex ~ Keys & Keyers
• K1EL Systems ~ CW Keyers, etc.
• W2IHY Audio Equalizers ~ Graphic Equalizer, Noise gate, etc.
• Wavetek Equipment Manuals ~ User Guides and Manuals for Wavetek Equipment
• West Mountain Radio ~ Power Interfaces
• Yaesu USA Home Page ~ Amateur Radio Equipment Manufacturer

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News, Sports & etc.

• CBS Sports ~ CBS Network Channel.
• Discovery Channel Online ~ Discovery Channel Website.
• ESPNET Sports Zone~ ESPN Channel.
• WCRZ 107.9 FM Audio Streaming ~ Flint, MI radio station.
• The Owosso Argus ~ Local Newspaper.
• Owosso WOAP Internet Streaming Audio ~ AM 1080 kHz from Owosso, MI
• Owosso FOX 103.9 Radio Audio Streaming ~ FM 103.9 MHz.
• Saginaw WKCQ 98.1 Audio Streaming ~ Country Music from Saginaw, MI.
• Priority Plus ~ Travel Lounge Card Club.
• USA Today ~ National Newspaper.

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Podcasts ~ Ham Radio and Computer Areas (New 2018)

• 100 Watts & A Wire ~ Weekly about Ham Radio from a New Ham Standpoint.
• Amateur Radio Newsline ~ Ham Radio Newsline Items.
• AmateurLogic.TV ~ Video of Topics for Hams.
• Amateur Logic TV Videos ~ Links to Amateur Logic / Ham College & 'Other Related' videos.
• edX Programming Courses ~ Programming Course for Various Computer Languages. (I found it on You Tube).
• Everything Ham Radio Podcast ~ Podcasts about Ham Topics.
• Ham Nation ~ Podcast Hosted by Bob Heil, Gordon West, George Thomas, Don Wilbanks, Valerie Hotzfeld, Amanda Alden, Dale Puckett.
•     Older Episodes are on YouTube ~ Ham Radio Now.
• HamBrief.TV ~ Video Topics {See his Web Site: http://73s.com/ For other information}.
• HamRadio360 ~ Links to many Podcasts.
• Ham Radio Workbench ~ podcasts on ham radio topics.
• Ham Radio Concepts - You Tube ~ Many, many You Tubes on Ham Radio.
• ICQ Podcast ~ Podcasts on many topics.
• K7AGE Youtube Channel ~ Links for Randy's videos.
• Linux in the Ham Shack ~ Open Source, Linux & Ham Radio.
• Practical Amateur Radio Podcast ~ KD0BIK.
• QSO ~ Ted Randall, WB8PUM on 5085 kHz Home Site.
• RAIN Report ~ 10 to 15 minute weekly report from Hap Holly, KC9RP.
• Richard's (KB5JBV) Radio Adventures ~ Resonant Frequency Radio Podcasts.
• Soldersmoke ~ Wide range of Ham Radio Topics (audio).
• This Week in Amateur Radio ~ TWIAR Shows listen on WBCQ Shortwave (7.415mHz).
• Alan Wolke, W2AEW - You Tube Channel ~ Wide Selection of Electronic Topics Tutorials (about #300 of them). GREAT Learning Site.

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QRP Topics

• American QRP Club ~ Home Page of Club with many links.
• VK CW Operators' QRP Club Inc. ~ Club for QRP Ops.
• Four States QRP Club ~ Four States QRP in Oklahoma, Kansas, Mousouri and Arkansas
• Hans Summer's Web Page ~ Leads toward QRP Labs with lots of information on projects. (Homebrew)
• KD1JV / Steven Weber Web Site ~ Homebrew, AD9850, and many other interesting projects for homebrewing.
• Michigan QRP Club ~ Details for nets, picnic, etc.
• New Jersey QRP Club ~ Lots of good stuff to surf!
• Pacific Antenna / QRP Kits ~ Various Kits.
• PA0HH QRP Site ~ Some nice QRP projects.
• QRP Guys Web Site ~ Budget and unique ham radio kits.

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Raspberry Pi [RPi] General Topics

• "How to": Raspberry Pi ~ Various Tutorials on the RPi.
• Raspberry Pi VPN Server YouTube ~ Learn how to make a VPN server on RPi.
• RPi Music Server (Volumio) ~ A music server for the audiophile RPi users.
• RPi Stack Exchange ~ A place to ask questions & get answers on RPi, along with lots of 'How do I responses'.
• MDSR Site on RF Propagation ~ RPi RF Propagation Monitoring using RPi. See MagPi Magazine Issue 73, page 18 - Space Weather Monitoring.
• Case - RPi 4 FLIRC Case ~ there are FLIRC metal cases for earlier model RPi... check them out. Better RFI shielding.

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Reference Information - General

• Amateur Radio Items ~ WIKI for Hams.
• Antenna Handbook, Field - US Marine Corps ~ Marine Corps antenna handbook with lots of details.
• Archive - Internet for Computer Magazines ~ has thousands of computer magazines for many computers.
• Archive - Resources for Genealogy (Nat'l Archives) ~ Links for resources, databases and 'how-to' information.
• Archive - Internet {Online} on many topics ~ Books, movies, software, websites and more.
• Archive Library Resources LDS" ~ Genealogy Resources
• Archive - National Archives Library Information Center ~ Online Collections
• Astronomy Cafe, Sten's - FAQs ~ FAQ page for Space Blog with answers to many Science Related Questions on Space, Time, Gravity and 'Our Earth'.
• Attenuator Networks - Passive" ~ Rob Kalmeijer's site - articlel on deishn and implementation of passive attenuators.
• Battery Equivalents ~ LR-44 ~ Compare battery specifications. {AG13/L1154/LR44/157/SR44/303/357}
• Battery (Duracell) Cross Reference Chart ~ Compares Duracell to other manufacturers.
• Battery Energizer 357/303 ~ Specification Sheet (.pdf)
• Calculator - RF Coil Inductance (Single Layer) from ON4AA ~ accurate single layer coiil calculator.
• Calculators - Electronic (Online) [ektalk] ~ Several electronic calculators.
• Calculators - Electronic from VK2ZAY ~ Antennas/RF; Inductors; Capacitors; Filters; Resistors; Transistors; Miscellaneous & others.
• Calculators - Four Pages of Electronic ~ Many Calculators for your use.
• Capacitors ~ CapSite 2018Introduction to Capacitor Characteristics and Types
• Capacitance and Effects - VIAS Library: L.W. Matsch ~ Textbook on Electric Circuits and Components.
• Coils, basic building block ~ Rob Kalmeijer's link for I.F. coil values from Practical Wireless.
• Crystal Sets to Sideband ~ Book by Frank W. Harris, K0IYE (free pdf). Good fundamentals for a ham builder.
• Encyclopedia ~ Free Online
• Electron Tube Datasheets ~ Tube Data for Thousands of Tubes
• Electron Tube Books ~ Technical Reference Books
• Electronics 200 Calculators ~ 14 Popular Electronic Calculators fro Resistance, Capacitance, Inductance, etc.
• Electronics Interactive Web Site - Talking ~ Lots of basics and reference data.
• Ethics and Operating Procedures for the Radio Amateur ~ Polite Operating and Proper Use of Prosigns and Q signals - For All Hams New and Old.
• SARA's Mathematical References ~ Math References on our site.
• Fourier Series Wolfram MathWorld" ~ Fourier Theory
• GE HAM News - N4TRB ~ May, 1946 thru 1960 GE Ham News.
• Mighty Ohm blog ~ Blog with links to HB Geiger Counter kit.
• GPIB Information/Toolkits - KE5FX, John Miles, ~ Information on GPIB and toolkits for further investigations.
• Library - World-Wide Web Virtual ~ Online Library.
• LibriVox ~ Free Public Domain Audio Books.
• Math Forum Math Library ~ Hundreds of Math Topics Links
• Mathematics (Calculus) ~ Calculus at S.O.S. Mathematics for Math Details
• Mathematics Reference Data ~ Lots of topics covered here
• Mathematics Reference and Tables ~ Yep, what it says
• Math World - Wolfram ~ An Extensive Mathematics Resource.
• Open Library - Electronics ~ Many interesting books on line from 1831 to 2017.
• Path Profiler - Hey What's that Path ~ Show Various Elevation Profiles via Google Maps.
• Periodic Table ~ Royal Society of Chemistry with element values.
• Practical Wireless Magazine ~ Digital Editions Now Avaiable ~ $27.00/yr starting Oct, 2017
• Everyday-Practical Electronic Magazine Downloads Archive ~ Diagram.com Article Downloads
• Norwich, CT - Radio Amateur Radio Society of Norwich [RASON] ~ Good source of links/pages with information for hams.
• Radio Electronic ~ Electronics Now Archive ~ 1929 to 2003 Magazine Archieve
• RCA HAM Tips - N4TRB ~ Sep., 1938 thru Aug., 1970 RCA Ham Tips.
• SARA's Reference Pages ~ Selected Reference Materials from SARA.
• 73 Magazine Archive ~ 73 Magazine for reference.
• Telecommunications Timeline from mHelpDesk ~ Historical View of Telecommunications.
• Telescope - Hubble Space Telescope ~ Public site for Hubble... data is 'public' after one year.
• Time from NIST ~ Official Time for the USA.
• Time Is ~ Gives feedback on the accuracy of your system time.
• Time Control, Dimension 4 Software for System ~ Synchronize your PC clock.
• Time Server Update- Meinberg NTP ~ Get Computer Time updated from time server(s). Used my WB8GUS and works great!
• Time Pool - NTP Servers ~ Time Servers around the Globe.
• Radio Transmitter blog on projects - DK7IH ~ Lots of 'home brew' projects on radio.
• Tube Sound ~ Tubes, tube testers, test equipment, etc.
• Tube Tester -uTracer3+ ~ Test Your Tubes.
• Way Back Machine - WEB ~ Find Old Web Site Pages (you can view the original source files).
• Wire Gauge and Ampacity ~ West Marine site - Wire Rating information ~ not just for marine usage.

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Retailers

• Advanced Specialists (NJ)
• AE4S, LLC (FL)
• Air Boss Antenna Launcher (NC)
• All Electronics Corp. (CA)
• Alpha Delta Communications ~ Amps & more.
• American Radio Supply (GA)
• Amplified Parts ~ Electronic Parts of all kinds for builders
• Arcom Communications (OR)
• Associated Radio Communications (KS)
• Balun Designs, LLC (TX)
• Batteries America (WS)
• Burghardt Amateur Radio Repair (SD)
• Cable X-perts, Inc.(IL)
• Champion Radio Products (CA)
• CheapHam.com (NJ)
• Circuit Specialists ~ Equipment for you.
• Clear Signal Products, Inc. (OK)
• Columbia Electronics Intl (CA)
• Communication Concepts, Inc. (OH)
• Computer International (MI)
• Debco Electronics, Inc. (OH)
• DX Store (CA)
• Ham Radio Outlet (East) (NH,DE,VA,GA)
• Ham Radio Outlet (West) (OR,CA,AZ,CO)
• Ham Station (IN)
• Ham Supply ~ Business was Idiom Press
• Hy-Gain Antennas (MS)
• K1CRA Radio Store (NY)
• K1EL Ham Radio Kits ~ Keyers (K44), etc.
• KF7P Metalwerks (UT) ~ Ferrite, copper products, Dacron rope, connectors, Yellowjacks, arms, etc.
• Kits and Parts (W8DIZ) ~ Various ICs, toroids, and many other parts.
• Lentini Communications (CT)
• Maldol / Comet / DIAWA ~ NGC Electronics (CA)
• Martin Lynch & Sons ~ Ham Radio Store (UK)
• Milestone Technologies ~ Morse Express ~ Morse Code Supplies and more.
• NSI Communications (CA)
• R & L Electronics (OH)
• Radio Works
• RT Systems (AL, FL) ~ Radio Programming Systems
• SGC Communications (WA)
• Tayda Electronics ~ Miscelaneous Electronics Online (shipping about two weeks)
• Texas Towers (TX)
• Universal Radio (OH) ~ Worthington, OH
• Vertex Standard Accessories ~ Various Antennas
• WB0W Inc. (MO)
• You Kits Site ~ Equipment, Kits, Tools.

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Small Batch Assembly - Electronics

• Electrical Circuits - Residential ~ Homeadvisor.com advice on Electrical Circuits
• Small Batch Assembly ~ Electronic Build for your designs. Bob Coggeshall KW4WQ.
• OSHPark High quality bare Printed Circuit Boards ~ Small Volume Boards Made to Your Specs.
• JLCPCB Protype Circuit Boards ~ Custom Printed Boards at low prices (China).

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Software - Misc & Ham Radio Items

• Audacity ~ Free, Open Source Audio Software for multi-track recording and editing.
• Auto Hot Key Software ~ Make your own keyboard scripting hot-key.
• AZZ Cardfile ~ Great/Simple/Free Personal Information Manager
• CHIRP Radio Programming Software site ~ Open source (free) radio programming software.
• Convert Units ~ Program (free) to make many Unit Conversions
• Pointers in C ~ Everything you need to know about programming 'pointers'.
• C++ Builder (IDE) {Free} ~ Build C++ applications for cross platform with free community edition.
• CW Get / CW Type, etc. Programs ~ Homepage for several Ham Software Programs (CW Get $35).
• Design Spark ~ Design Spark's Free PCB Design Program
• DigiPan ~ Download ~ PSK Software - free (An Old, but good, Program)
• ExtFSk106 MMTTY extension ~ Older Borland C++ based RTTY library.
• G4FON Koch Trainer ~ CW Practice Code Generator with Koch Method (High Character Speed).
• Git-Hub Software Site ~ Repository and Millions of code efforts! (You must register ~ it is free)
• GWX Control Panel ~ GWX Control Panel (Blocks Windows 10 Install)
• JAVA - Think JAVA (book) ~ JAVA programming free book.
• Python for Everybody (book) ~ A free book to learn the Python computer language.
• Python Tutorial (programiz.com) ~ A Python online tutorial (Other tutorials include: JAVA, C Tutorial, C++, KOTLIN, SWIFT, & R Tutorial.)
• RufzXP {Callsign Practice} ~ Callsign CW Practice Program.
• SD Card Formatting Software ~ What you need for Formating SD Cards.
• Software Informer ~ Utility for tracking software versions on your computer
• Trinket ~ Allows you to write and run code from within any browser and any device. Share and embed your changes into the code. Used for Python, HTML, Glowscript, Blocks and more.
• Ubuntu Linux ~ Install Linux OP System
• USB Deview ~ NIRsoft's USB Device View
• W3 Schools ~ Reference and Tutorials ~ Web Language Reference and Tutorials for HTML, CSS, JAVA Script, Python, JAVA, C#, C++, XML and others.
• Wireless Net View ~ NIRsoft's Wireless Network View
• WSJT-X User Guide ~ Program is a little complex, but this will get you going!
• WD6CNF Web Site ~ Software Apps for Hams {CW Decode; Audio Spectrum Analyzer; DSP filter; Oscilliscope / generators; & etc}.
• WSJT-X Reflector ~ Current Topics Discussed.
• WSJT-X Software Home Site ~ Home of Original WSJT Software
• WSPR Mode" ~ WSPR is used for propagation path information.
• WSPR User's Guide ~ Covers both WSPR 2.0 (2 minute sequences) & WSPR-X (15 minute sequences).
• Virtual Private Networks forr DD-WRT / Open VPN of DD-WRT ~ Information on a few VPN setups and guide for OpenVPN on DDE-WRT.

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Solar References

Solar influences to radio conditions is an area of study for amateur radio operators. We track and use the information in predicting radio paths. This area is meant to be a small reference to solar activity and information for hams..

• Current Solar Conditions ~ Near live conditions, Like the widget on SARA's opening home page.
• Solar Influences Data Center [SIDC] Site ~ Royal Observatory of Belgium includes World Data Center for sunspot index.
• NASA Sunspot Count (monthly values) - Data from Jan. 1749 through Apr. 2015 (in text format).
• PR2BA - PROBA2 Science Center ~ Sun Watcher images of the solar corona.
• NOAA Geomagnetic Indices Predictions (issued on Mondays) ~ Indice predictions (27 day) for radio flux, Planetary A and largest Kp index.
• Space Weather .com ~ Space Weather and Solar Information (many links at bottom of page).
• Space Weather Prediction Center ~ NOAA Space Weather Prediction Center
• Solar Activity & HF Propagation ~ NA5N's Presentation to Four Days in May (about 6 pages).

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Technology Interests- General

• Switched Power Supplies - P1 from QEX, Sep-2002, page 30 ~ Article from Rob Kalmeijer's site.
• Switched Power Supplies - P2 from QEX, Jan-2003, page 32 ~ Article from Rob Kalmeijer's site.
• OP Amp Cookbook ~ Explanation of OP Amp usage. {from Nuts & Volts}.
• OP Amp Cookbook P2 ~ Part 2.
• OP Amp Cookbook P3 ~ Part 3.
• OP Amp Cookbook P4 ~ Part 4.

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Tower Manufacturiung / Suppliers

• Aluma Towers ~ Aluminum Towers
• Glen Martin Products ~ Towers, Hazers, etc.
• Heights Towers ~ Aluminum Towers
• K0XG Tower & Antenna Rotation ~ Heavy Duty Tower and Antenna Rotation
• U.S. Towers ~ Antenna Towers

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People / Distance Directories

• How far is it? ~ Easy entry distance and bearing calculator.
• Yahoo! People Search ~ You can try this.

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Web Searching

Our favorite place is "www.wikiopedia.com/" ~ they do not allow other pages to "link in", so copy and paste the path into your address bar. It is the first place to check online for knowledge about almost 'anything' or any topic. It usually has many 'Reference Links' at the bottom for more in depth gathering.

Some places to search for further information and new sites: (General Web searches and 'WiKi's)

• Amateur Radio Wiki ~ Wiki on ham radio topics.
• HotBot
• Lycos
• WebCrawler
• Yahoo!

Another place to grab information that we use a lot:

• REDDITS sub Search Site ~ Enter a search topic and view lots of up-to-date information from users around the globe. People talk about their projects, ask questions and participate in open conversations about many, many topics. Try it out, we think this is a great source. Search on a topic and look through the results.

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WX Related Links

• Various Weather Maps
• Real Time Lightening Maps
• NOAA Central Region Site
• NOAA Space Weather Forecasts
• NOAA Sunspot Number and Radio Flux Predictions
• NOAA Madis Surface Weather Observation Map ~ NOAA's Surface Observations Mapping (about 25,000 stations across the US).
• NWS Detroit Forecast Office
• Detroit Weather Radar
• NWS Grand Rapids Forecast Office
• NWS Gaylord Forecast Office
• NWS Current Weather ~ You can click/zoom (map scaler slide) and move (left click and slide) to your area.
• FAA Surface Weather Observation Stations ~ Observations and Station Information.
• Reference Desk Weather Information Links
• Citzen Weather Observers Program [CWOP] ~ Put your weather station on the internet and help NOAA with current and predicted weather conditions.
• Weather Underground

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ZUM Spot / Nextion Display / Pi Star

• Ham Radio Outlet's ZUMSPOT 2.4 Nextion Startup Guide. ~ Excellent Guide and where the following links were grabbed.
• Playing with Pi-Star by KE0FHS.
• MMDVM Yahoo group.
• A UK Pi-Star Support Forum.
• Pi-Star Facebook Group.
• ZUM on Facebook.

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SARA's Excel Files for Download:

• Transmission Line Calculations ~ File Download
• Bearing Calculations ~ File Download

SARA - Various Projects by Members

• Mortty Keyer (QST - 2019 April page 58-59) $18 ~ $23 + shipping [WB8GUS] ~ Mortty CW/RTTY Keyer - RTTY and CW Keyer in 'micro size.
• Pacific Antenna 41 dB Attenuator $25.00 [WB8GUS] ~ Pacific Antenna 41 dB Attenuator Information

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