radio mod

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radio mod

438 links - and 8 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 ]
Manufacturers : Interfaces
  • DigiLink - Compact Digital Mode USB Interface. DigiLink Nano is a very compact digital mode Ham Radio interface to connect your rig to a computer or tablet and run virtually any digital mode like PSK31, RTTY, FT-4/FT-8/JT-9/JT-65, Olivia etc.
    [ Hits: 228 | Votes: 1 | Rating: 7 ]
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 Modes : Amtor
  • Operating AMTOR - Putting one of those old modems back into use.AMTOR is an acronym for AMateur Teleprinting Over Radio and was mostly used on HF. The mode is based on the marine SITOR code that was introduced to amateur radio by Peter, G3PLX. The mode is an enhancement of RTTY with active error correction that copes reasonably well with interference and fading.
    [ Hits: 81 | Votes: 0 | Rating: 0 ]
Operating Modes : Digital Voice
  • FreeDV - Digital Voice for HF bands - FreeDV uses an audio codec as a software based modem to decode and encode the voice and text data from your computer. The data is encoded and then is transmitted over the HF radio using AF signals that can then in turn be decoded by the receiving station.
    [ Hits: 91 | Votes: 0 | Rating: 0 ]
Operating Modes : Portable Operations
  • PD Powerbank for SOTA Radios - This post describes how the newish Power Delivery (PD) mode mobile powerbanks can be used to power a SOTA transceiver as well as keeping your other hiking devices charged.
    [ Hits: 144 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-817
  • Speech synthesiser for FT-817 - This construction project is for anyone wanting to give this popular little radio a voice of its own. This Speech synthesiser reads out the current frequency, mode and menu settings whenever they are changed via the front-panel controls
    [ Hits: 124 | Votes: 0 | Rating: 0 ]
Radio Scanning : Scanner Frequencies
  • Scanning frequencies - HF digital mode transmissions, voice transmissions in HF and VHF Bands collected in several XLS files by Relic Radio communications
    [ Hits: 136 | Votes: 0 | Rating: 0 ]
Software : Logging
  • NewLogOSH - Program for Amateur Radio use, features Digital modes such as FT4 FT8 currently implemented along to RTTY, PSK modes, DXCLuster and Radio interfacing. The database is built in the Sqlite environment.
    [ Hits: 565 | Votes: 2 | Rating: 8.5 ]
Technical Reference : Alternative Power
  • Ham Radio and Solar Power Systems - Can Home Solar Power and Ham Radio Coexist? It is possible, with minimal interference from the solar power system, provided you make some modifications.
    [ Hits: 338 | Votes: 1 | Rating: 9 ]
Technical Reference : Arduino
  • Arduino Flex Controller - Arduino Flex Controller can be used with the new Flex 6000 Signature rigs. It is a DIY project and in these pages you will find all the informations you need to build and program your own. It is a perfect companion when used next to the official SmartSDR program but it can be used in stand-alone mode, without a PC.
    [ Hits: 109 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • ICOM IC-775 FIlter Installation - Inrad Roofing Filter installation instruction, The IC-775 Roofing Filter Mod consists of a 6 pole, 5 kHz wide filter followed by a high dynamic range, feedback amplifier.
    [ Hits: 60 | Votes: 0 | Rating: 0 ]
Technical Reference : Morse Keys
  • EA2CW Nanokeyer - HFN (Hands Free Nanokeyer) is a 3D Printer made morse keyer. In this project the athor shares the STL printer model files for the 3 versions build.
    [ Hits: 96 | Votes: 1 | Rating: 10 ]
Technical Reference : Radio Frequency Interference : Noise Reduction
  • Common-mode chokes Measurements - Common-mode chokes are useful solutions for RFI reduction. Winding a few turns of coaxial cable on the FT 240-31 toroid can reduced the noise below the received noise floor. In this article author measure different chokes
    [ Hits: 155 | Votes: 1 | Rating: 8 ]
Technical Reference : Software Defined Radio
  • TangerineSDR Project - The TangerineSDR is a Modular Software Defined Radio Project with the following objectives, Development of SDR radios that allow experimentation, provide support to unaffiliated other groups, to provide hardware modularity, to allow varying performance, To allow users to experiment with differing configurations.
    [ Hits: 134 | Votes: 0 | Rating: 0 ]
  • TRX Eagle SDR - TRX Eagle is a ultra compact software defined radio for amateur radio bands. This all mode SDR features a 15W total power output.
    [ Hits: 442 | Votes: 1 | Rating: 1 ]
  • Tulip SDR - SDR Project for a compact amateur radio software defined radio trasceiver covering HF bands all mode. Website includes schematics, element PCB, pictures, movies, firmware and elements bom.
    [ Hits: 369 | Votes: 5 | Rating: 8 ]
Technical Reference : Software Defined Radio : Beginner's Guides to SDR
  • SDR Receiver with RTL-SDR and Gnu Radio - This project is a Software Defined Radio Receiver. It has a frequency range of 24MHz 1.2GHz. It can demodulate AM, FM, USB, LSB with selectable bandwidths of 600, 2400, 2800, 3200 and 6400Hz. Using a simple RTL-SDR Dongle and Raspberry Pi 3 computer using GNU RADIO
    [ Hits: 479 | Votes: 1 | Rating: 1 ]
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 ]
Technical Reference : Vector Network Analyzer
  • Measuring with a MiniVNA - Measuring technicques using a MiniVNA, author describes how to determine and unknown inductance, or how to determine an unknown capacitance, crystals, how determine insertion loss and directional attenuation of couples and power dividers, coax switches or even common mode chockes.
    [ Hits: 185 | Votes: 1 | Rating: 1 ]

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