radio lab

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radio lab

204 links - and 2 categories

Antennas : Yagi
  • 13 Elements Yagi for 144 MHz - A homebrew 13 elements yagi antenna for two meters band. These project includes two model of the same antenna with a 6 and 7 meter boom length. Detailed pictures and nec files are available for download
    [ Hits: 142 | Votes: 0 | Rating: 0 ]
DX Resources : Log Analysis
  • ADIF Processor Map QSOs with Google Earth - The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF log file using Google Earth. SOTA CSV log files can also be used. As well as allowing you to view and explore your contacts in Google Earth, you will be able to see a Markdown or text table of contacts, use the output ADIF file which contains QRZ.com data, accurate contact distances and fields populated from comments in the input file. Print QSL labels. One of the benefits of using the ADIF Processor before uploading/storing your ADIF file is detecting errors in callsigns and activity references (e.g. POTA or SOTA references).
    [ Hits: 391 | Votes: 3 | Rating: 7 ]
Ham Radio : Exams : Instructor Resources
  • Gordon West W5YI Ham Instructor Program. - Using Gordon West study manuals in your amateur radio classes offers your students the very best in study materials available today
    [ Hits: 59 | Votes: 0 | Rating: 0 ]
Ham Radio : Radio Scouting Manufacturers : Publications
  • Zen and the Art of Radiotelegraphy - Free PDF book to start learning morse code and to improve your proficiency, freely available in four languages english, german french and italian.
    [ Hits: 112 | Votes: 0 | Rating: 0 ]
Operating Aids : Beginner's Guides
  • Amateur Radio Modes - A table that summarize all known amateur radio emission modes, with reference to software and platform available for digital modes
    [ Hits: 207 | Votes: 0 | Rating: 0 ]
Operating Aids : Radio Spectrum
  • Satellite Frequency List - All Satellites Frequency List Update. A complete list of satellite frequencies available in several formats, including info on Satellite Uplink and Downlink frequencies Beacon, operative Mode, Callsign and Weather sat functionality.
    [ Hits: 140 | Votes: 1 | Rating: 1 ]
Operating Modes : Packet Radio
  • APRS and Packet Radio made easy - The Raspberry PI 3+4 has proven itself as an amateur radio computer. Both at home as the main computer in the shack but also on the road. It is small, inexpensive and incredibly versatile. The operating system and the most important programs are available for free.
    [ Hits: 144 | Votes: 0 | Rating: 0 ]
Radio Equipment : Reviews and Comparisons
  • Explaining ARRL Radio Tech Reviews - Explaining ARRL Technical Reviews of Radios a brief tutorial on radio testing. The ARRL Lab tests radio equipment according to standardized test procedures, using calibrated professional test equipment. Info on transmitter and receiver tests
    [ Hits: 118 | Votes: 0 | Rating: 0 ]
Radio Scanning : Military
  • Monitoring The Airwaves During Ukrainian Conflict - This article reports and collect some frequencies used during 2020 Ukraine war and reported as being used by army forces. HF communications are still a crucial part of military communications and can ben monitored on web sdr radios available on the internet.
    [ Hits: 527 | Votes: 3 | Rating: 9.67 ]
Shortwave Radio : Broadcasters : Time Signal Radios
  • MSF radio time signal - The MSF radio signal is a dedicated standard-frequency and time broadcast that provides an accurate and reliable source of UK civil time. It is available 24 hours a day across the whole of the UK and beyond. The signal operates on a frequency of 60 kHz and carries a time and date code that can be received and decoded by a wide range of readily-available radio-controlled clocks.
    [ Hits: 49 | Votes: 1 | Rating: 10 ]
Software : Databases
  • Repeater-START App - The amateur radio listener for when you're not on the radio. Repeater-START, the offline repeater listing app for Windows, Linux, Raspberry Pi, Ubuntu, Librem Phone is available, Now with grid square display, topographical maps and frequency preferences
    [ Hits: 150 | Votes: 0 | Rating: 0 ]
Software : Propagation
  • Proplab-Pro - Ray-trace radio signals through a realistic three-dimensional ionosphere using Proplab-Pro. This software has been used by the military, researchers, universities and amateur radio operators around the world to assist in determining radio propagation conditions and radio signal behavior. It is one of the most respected and well established software packages for radio engineers and enthusiasts, being actively updated for over 28 years.
    [ Hits: 167 | Votes: 0 | Rating: 0 ]
Software : QSL
  • Ham Secretary - The program serves to assist in a ham-radio activities secretarial with his hobby , such as Printing QSL cards or print labels directly from the program , printing envelopes and mailing envelopes for the feedback you send direct QSL cards, download address for sending cards direct from QRZ.COM or for any station. Checking whether for the QSO and his country is present QSL bureau.
    [ Hits: 150 | Votes: 0 | Rating: 0 ]
Technical Reference : Antenna Launcher
  • DIY Tree Antenna Launching: Cheap and Effective - This article explores budget-friendly methods for launching wire antennas into trees, comparing common options like slingshots and professional arborist tools. The author introduces a simple and cost-effective DIY approach using latex balloons, sand, and readily available materials for efficient antenna deployment in the field
    [ Hits: 114 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • The AntennaPi - This is a remote antenna switch I use in my attic to connect transceivers in the basement to multiple antennas in the attic. The goal of this project is to be able to remotely connect one of the antennas in the attic to the only antenna cable available.
    [ Hits: 132 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino : Morse Code
  • Arduino Iambic Keyer - The author recounts their journey in ham radio, including the initial experience with Morse code. Now retired, he has rekindled his interest in ham radio and CW. Here share his project of constructing an Iambic Keyer with Arduino. The project includes a memory keyer and speed adjustment. Additionally, the author provides resources for an Arduino enclosure available on Thingiverse, enhancing the project aesthetics and functionality.
    [ Hits: 74 | Votes: 0 | Rating: 0 ]
Technical Reference : Homebrew
  • HAM Radio DIY Projects by DL8ABH - Ham Radio DIY projects all around morse semi-automatic and fully automatic bug keys construction manuals o semi-and fully automatic Bug keys, portable light weight magnetic loops, making a telegraph set (school project) and lots of kitchen projects (useful hamradio gear made by easily available material)
    [ Hits: 150 | Votes: 0 | Rating: 0 ]
Technical Reference : Repeater
  • Arduino Repeater Controller - This blog article introduces an updated repeater controller project utilizing the Arduino UNO. It includes a CW identifier, and the ID message can be customized using hex codes. The author offers a Windows command line program for easier message coding and provides a link for download. The controller features three adjustable timers for IDer, Timer-out, and Squelch-tail. The article also mentions the use of an audio switch to control audio levels between the receiver and transmitter. Detailed instructions and code files are available on the author's website for both version 1 and version 2 of the Arduino repeater controller. The project aims to enhance repeater functionality and audio management in ham radio operations.
    [ Hits: 82 | Votes: 0 | Rating: 0 ]
Technical Reference : Sound Card Radio Interfacing
  • AnyRig A Flexible Digital Mode Interface - This project uses an inexpensive Teensy microcontroller as the core of a flexible interface that provides a high-fidelity sound card and VOX functions for controlling the radio.The interface firmware supports variable VOX delay, CW and RTTY keying via audio (such as is available from Fldigi), and RTS and DTR control of any keying function, all via a single USB connection to the PC.
    [ Hits: 140 | Votes: 0 | Rating: 0 ]

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