3 ft radio
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Manufacturers : Accessories- Pro Audio Engineering
- High-quality products for broadcast and amateur radio. Kx33 Low-RFI AC Power Supply for HF Transceivers, Elecraft Heatsinks, Fair-Rite Mix 31 Ferrites
[ Hits: 118 | Votes: 0 | Rating: 0 ]
- 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 ]
- Airplane scattering
- Operating on Airplane scattering. Scattering of radio signals by airplanes. An introduction to operating ariplane scattering, using aircraft to redirect RF that would otherwise be lost in space. Antenna Pointing, Doppler Shift/Digital Modes, using digital modes to operate airscatter.
[ Hits: 153 | Votes: 0 | Rating: 0 ]
- 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 ]
- Transforming the Elecraft K3 into a SDR with K3
- This article will explain a few of the ways author use an external SDR and Linrad to enhance his K3 experience. Linrad is one of many available SDR receiver programs. The same could be done with any radio that lets you access its IF frequency output. Article from NCJ Nov Dec 2019
[ Hits: 336 | Votes: 0 | Rating: 0 ]
- Decoding 433 MHz with SDR
- Decoding 433MHz-transmissions with software-defined radio.
[ Hits: 199 | Votes: 1 | Rating: 7 ]
- FT-817 CAT library
- Serial CAT interface to control a Yaesu FT-817 transceiver.
Inspired in the James Buck (VE3BUX) FT-857D library and crafted to Andy Webster FT-817_Buddy project, but usable by anyone to control a FT-817 radio.
[ Hits: 119 | Votes: 0 | Rating: 0 ]
- DMR Contact Manager
- DMR Contact Manager is a Free software package designed to make it easy to maintain channel, zone, contact and call group information in these radios. It is fully compatible with the Ham-Digital and RadioID database systems and allows instant codeplug updates from a wide variety of sources.
DMR Contact Manager is designed for use with Connect Systems CS700/CS701/CS750/CS800/CS801/CS800D radios, as well as the Tytera MD-380/390/390GPS, TYT MD2017/MD9600, AnyTone AT-D868UV and AT-D858, Retevis RT3, and similar radios that use the RDT/RDB file formats.
[ Hits: 353 | Votes: 2 | Rating: 9 ]
- SDRangel
- SDRangel is an Open Source Qt5 / OpenGL 3.0+ SDR and signal analyzer frontend to various hardware TX & RX Software Defined Radio. SDRangel uses sample source plugins to collect I/Q samples from a hardware device.
[ Hits: 155 | Votes: 1 | Rating: 6 ]
- VSP Manager
- VSP Manager is a software program that creates serial port pairs which allows software programs to talk to each other using Cat commands. This virtual com port emulator is offered FREE to Ham Radio Operators.
[ Hits: 908 | Votes: 4 | Rating: 3 ]
- 20 W HF Power Amplifier
- A HF power amplifier with a push-pull of AFT09MS015N. The (small-signal) gain of the amplifier is around 26 dB in the lower HF band and goes down to about 24 dB on the higher end and still around 21 dB at 50 MHz. Its input matching is relatively good at the lower HF and degrades above 10 MHz.
[ Hits: 169 | Votes: 0 | Rating: 0 ]
- K3NG Arduino CW Keyer
- The K3NG Keyer is an open source Arduino based CW (Morse Code) keyer with a lot of features and flexibility, rivaling commercial keyers which often cost significantly more.
[ Hits: 208 | Votes: 0 | Rating: 0 ]
- Programming KG-UV3D and UV-5R
- Programming the Wouxun KG-UV3D and the Baofeng UV-5R+, getting your computer to recognize the programming cable, installing the Wouxun software and hints on how to program Baofeng radio UV-5R.
[ Hits: 79 | Votes: 0 | Rating: 0 ]
- 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 ]
- 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 ]
- The UHSDR Project
- UHSDR stands for UniversalHamSoftwareDefinedRadio. The project provides the firmware to run standalone HAM transceivers. It currently supports STM32F4 and STM32F7 MCU based QSD designs.
[ Hits: 176 | Votes: 2 | Rating: 8.5 ]
- 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 ]
- 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 ]
- How RTL-SDR dongles work
- Since 2012, the RTL-SDR is the simple and cheap way to give Software-Defined Radio a try. For about 25 euro you get a receiver covering much of the VHF and UHF range, and by either adding an upconverter, or using the direct sampling option, also the HF bands. They are so cheap because they are mass-produced as DVB-T receivers.
[ Hits: 128 | Votes: 1 | Rating: 10 ]
- Soundcard Interfacing
- The sudden explosion of new digital modes has taken the Amateur Radio world by storm. New modes such as PSK31 FT8 JT65 FSK441, ISCAT as well as established modes such as RTTY, SSTV, Hellschreiber and others have rocketed in popularity.
In order to use these modes all that is required is a simple computer-to-radio interface which couples the computer soundcard to the radio
[ Hits: 189 | Votes: 0 | Rating: 0 ]
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