CB Radio

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CB Radio

226 links - and 11 categories

Antennas : Baluns
  • UniBalun: Lightweight Balun/UnUn PCB for QRP Radios (1:1, 1:4, 1:49)  new - The UniBalun is a PCB for building a lightweight antenna transformer (Balun) or impedance converter (UnUn) for low power radios. By soldering jumpers and a toroid core, you can create a 1:1, 1:4 Balun or 1:49, 1:9 UnUn. The latest revision (1.2) includes improved pads and supports both BNC and SMA connectors. Build instructions are available for German speakers.
    [ Hits: 36 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed
  • TEFV Terminated End Fed Vee Antenna - The Terminated End Fed Vee Antenna (TEFV) is a travelling wave antenna with constant current distribution. Unlike traditional resonant antennas, TEFV operates without standing waves, using a terminating resistor for broadband efficiency. With a combination of vertical and horizontal polarization, it offers wide bandwidth from 1.8 MHz to 30 MHz, eliminating the need for a tuner. Key components include a 9:1 unun transformer and a 500-ohm terminating resistor. Grounding and counterpoise enhance performance, and it can handle power losses of up to 30%. TEFV provides an effective, versatile antenna solution for amateur radio and broadcast applications.
    [ Hits: 183 | Votes: 2 | Rating: 6.5 ]
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: 392 | Votes: 3 | Rating: 7 ]
Internet and Radio : Classifieds
  • Cb Radio Ads - For sale used unwanted HAM and CB Radios for sale in your area. Post your unwanted radio items to others for free.
    [ Hits: 6 | Votes: 4 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • FT-817 internal battery power Fix - If your FT-817 has stopped powering up from the internal battery but works from external power, then maybe the internal battery fuse has blown. There is a small PCB mounted fuse to protect the battery and radio. This fuse can blow, if it does your radio will not work from battery power. This page will describe how to test the fuse and describe how to make a repair.
    [ Hits: 52 | Votes: 0 | Rating: 0 ]
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 ]

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