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Antennas : Quad
  • 3 Element Quad for 50 MHz  new - A 14.12 dBi gain three elements cubical quad antenna for the six meters band. This Quad Antenna design page include a MMA model available to download and dimensions for each element.
    [ Hits: 41 | Votes: 1 | Rating: 3 ]
Shortwave Radio : Clubs
  • National Radio Club (NRC) - The NRC Archives feature past DX News and DX Audio Service publications, offering a glimpse into the "Heyday" of BCB DX. Subscribe to DX News for essential information, 20 bulletins annually, and membership privileges with discounted NRC products. New visitors can download a free sample copy of DX News
    [ Hits: 26 | Votes: 0 | Rating: 0 ]
Software : Android
  • aLog365 - aLog365 is a ham radio (amateur radio) logbook for Android and for apple iOS. Includes features for SOTA, POTA, WWFF operations, export to all popular log file formats ADIF, EDI, Cabrillo. Upload data to HRDLOg.net Ham465 and includes dx cluster spots. iOS version is compatible with iPhone, iPad, and iPod touch and provides also an up to date DX Pedition plan.
    [ Hits: 94 | Votes: 0 | Rating: 0 ]
Software : QSL
  • QSL Card Generator Online  new - This app will generate a QSL card design based on the input paramters as a PDF. Fields marked by a * are required, but the rest are optional. The options at the bottom allow you to customise the look and feel of the QSL card. If you would like, you can also download the LaTeX source file and customise it.
    [ Hits: 7 | Votes: 0 | Rating: 0 ]
Software : Radio Programming
  • Motorola Programming Software CPS Radio - A list of free to download CPS Motorola radios programming software. GM3188, GM3688, GP3188, cp1600 cp1300 and some more.
    [ Hits: 190 | Votes: 5 | Rating: 6.6 ]
Software : Spectrum analyzers
  • Spectrogram - Spectrogram, a PC-based audio frequency spectrum analyzer available from Visualization Software, aids ham radio enthusiasts in aligning receivers like Elecraft K2. Versions are downloadable, with an intuitive interface and customizable parameters. Tutorials by experts like Tom Hammond and John Grebenkemper offer additional guidance.
    [ Hits: 23 | Votes: 0 | Rating: 0 ]
Technical Reference : Dummy Loads
  • DIY 1KW Dummy Load - F5NPV explores the construction of a cost-effective 1KW dummy load for radio enthusiasts. Purchasing a commercial dummy load can be expensive, but with basic materials such as a metal can, resistors, mineral oil, and a heat dissipator, you can build your own. The article provides a simple guide to assembling the load, including the importance of testing for inductance. The DIY dummy load yields impressive performance, with an SWR of 1.2:1 across multiple bands and the ability to handle up to 1KW of power. This budget-friendly solution is a valuable addition to any radio shack.
    [ Hits: 120 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • A 2 meter band-pass cavity using surplus Heliax - Cavity is often required at a busy site to not only prevent its receiver from being overloaded by off-frequency signals, but also be a good neighbour and prevent low-level signals from your transmitter from getting into other users receivers - not to mention the preventing of those other signal from getting back into your transmitter to generate spurious signals in its own right.
    [ Hits: 126 | Votes: 2 | Rating: 3 ]
Technical Reference : Raspberry Pi
  • Raspberry Pi APRS Tracker - Downloading and installing all needed packages to make a Raspberry Pi as an APRS Tracker. Configuring direwolf and setting NTP on the Raspberry Pi
    [ Hits: 145 | Votes: 0 | Rating: 0 ]
  • Mini Satellite-Antenna Rotator Mk1 - This project is a portable device used to automatically point a directional antenna towards an orbiting satellite. It takes all the effort out of little kids holding the antenna and figuring out where to point it. It allows students to talk through Amateur Radio satellites or download weather satellite images. Note: This is a complex DIY project for the advanced kit constructor.
    [ Hits: 282 | Votes: 1 | Rating: 1 ]
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 ]

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