hf digital

60 links

VHF Cubical Quad - A project for a four element cubical quad antenna for 144 MHz in portuguese
[ Hits: 2092 | Votes: 29 | Rating: 5.97 ]

HF Digital Contest Calendar - Monthly Digital Contest Calendar, this site offer a list of scheduled ham radio digital modes contests.
[ Hits: 1176 | Votes: 4 | Rating: 1.5 ]

G4NKX RADIO PAGES - HF Low Power cw/digital activity updates at G4NKX Blog
[ Hits: 293 | Votes: 0 | Rating: 0 ]

BDM Club - Club Belgium Digital Mode application for smartphone android is on line
[ Hits: 459 | Votes: 5 | Rating: 7.2 ]

PSK31 HF Receiver in Charlotte NC USA - This PSK31 receiver shows you the active HF bands and tunes itself to the busiest for live decoding of the digital signal. Located in Charlotte, NC
[ Hits: 2662 | Votes: 18 | Rating: 2.23 ]

Digital Radio Modes - Sounds - Sounds of the hf digital radio modes
[ Hits: 924 | Votes: 6 | Rating: 2.5 ]

CG Antenna - CG Antenna is a HF radio communication solution manufactory based in China produce automatic antenna tuners, and digital radio interfaces.
[ Hits: 772 | Votes: 1 | Rating: 1 ]

Microtelecom - Develops and manufactures radios and telecommunication devices for special applications. SDR Receivers, Digital HF transmitters, Digital SSB Exciter.
[ Hits: 1518 | Votes: 3 | Rating: 6.67 ]
Recent - Quanzhou Risen Electronics Co., Ltd is a leading supplier of wireless communication equipment, produce Marine, HF SDR Radios, Repeaters, PMR Radios, Digital Radios based in China
[ Hits: 800 | Votes: 1 | Rating: 1 ]

Digital Modes Information Page - An overview of digital HF radio operating modes includes a sample audio recording of each digital mode by WB8NUT
[ Hits: 450 | Votes: 0 | Rating: 0 ]

Digital Radio Mondiale - About DRM, the DRM standard, emission types, upfrading your old HF RX to DRM
[ Hits: 691 | Votes: 2 | Rating: 1 ]
Free DV - digital voice codec - Operating Free DV, the open source digital voice codec for HF, allows any SSB radio to be used for low bit rate digital voice.
[ Hits: 355 | Votes: 0 | Rating: 0 ]

JT65A - weak-signal digital mode - A very exaustive and complete article on JT65A and JT65-HF operating mode, including software download links, installation notes, how to make JT65A QSO and videos to correctly work with weak signals by NW7US
[ Hits: 670 | Votes: 2 | Rating: 10 ]

Codec2 - Codec2 is a open source low bit rate speech codec designed for communications quality speech at around 2400 kbit/s. Applications include low bandwidth HF/VHF digital radio.
[ Hits: 1706 | Votes: 7 | Rating: 6.29 ]

FreeDV - HF Digital Voice for Radio Amateurs. FreeDV is a free application for Windows, Linux and MacOS that allows any SSB radio to be used for low bit rate digital voice.
[ Hits: 5046 | Votes: 7 | Rating: 7.43 ]
Codec 2 - Codec2 is an open source low bit rate speech codec designed for communications quality speech at 2400 bit/s and below. Applications include low bandwidth HF/VHF digital radio and VOIP trunking.
[ Hits: 820 | Votes: 7 | Rating: 7.43 ]

WSJT - WSJT-X and MAP65, open-source amateur radio programs, facilitate weak-signal digital communication. WSJT-X covers VHF/UHF to HF, decoding subthreshold signals. MAP65 optimizes for VHF/UHF EME with JT65. Free and GNU GPL licensed, WSJT-X is on Windows, Linux, and OS X, while MAP65 is Windows-only, supporting SDR hardware.
[ Hits: 2765 | Votes: 5 | Rating: 6.4 ]

Frequency Locked Loop VFO for HF - A device which joins in a single microprocessor a digital programmable frequency meter and a control logic capable to lock a manually tuned VFO to its actual frequency by IK3OIL
[ Hits: 1853 | Votes: 4 | Rating: 7.75 ]

PC to RTX interface - Interface with galvanic isolated audio and digital paths. For ICOM IC-706, IC-718, IC-746 and IC-756 HF transceivers, the next one suits modern KENWOOD HF RIGs and the third is a simple "PSK-31" interface.
[ Hits: 1705 | Votes: 3 | Rating: 5.33 ]

Digital HF Antenna Analyser Project - This antenna analyzer measures complex impedance over the 1.6 - 33 MHz HF spectrum
[ Hits: 1385 | Votes: 0 | Rating: 0 ]