digital hf72 links
Antennas : 70cm
- UHF 11 elements beam antenna
- An eleven elements yagi antenna for 430-450 Mhz by PU1LHP In portuguese
[ Hits: 2166 | Votes: 5 | Rating: 4.20 ]
- Antena Multibanda Colinear para HF
- A W5GI antenna description in spanish
[ Hits: 5707 | Votes: 9 | Rating: 6.44 ]
- VU2UKR HAM Radio Station
- HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits
[ Hits: 646 | Votes: 0 | Rating: 0.00 ]
- EA4FRB Melchor Varela
- Interested in electronics, active in HF and 6M, mostly in digital modes and also enjoy listening and receiving from utility stations. Many interesting homebrew projects
[ Hits: 203 | Votes: 1 | Rating: 9.00 ]
- 30 meters digital group
- Group dedicated to 30 Meter digital activity on this unique HF band! All licensed Hams and SWLs anywhere are welcome to join in. Include live PSK 31 receiver, dx spots and event calendar
[ Hits: 4829 | Votes: 17 | Rating: 4.71 ]
- Develops and manufactures radios and telecommunication devices for special applications. SDR Receivers, Digital HF transmitters, Digital SSB Exciter.
[ Hits: 1384 | Votes: 3 | Rating: 6.67 ]
- Digital Modes Samples
- Audio files of many digital modes. Many were recorded in the HF bands an most others are found on VHF/UHF frequencies.
[ Hits: 1683 | Votes: 1 | Rating: 10.00 ]
- DVX Project
- Digital Voice Transceiver Project
This Project began to explore the use of the DVSI AMBE 2020 voice compression chip and also the ADF7021 single chip VHF RF Transceiver from Analog Devices.
[ Hits: 1327 | Votes: 1 | Rating: 1.00 ]
- Digital Modes used in Ham Radio
- Article with waterfall pictures and samples of several digital modes like psk31, sstv packet pactor hellschreiber domino thor jt65 and more
[ Hits: 1017 | Votes: 3 | Rating: 7.67 ]
- FDMDV - Digital Voice
- FDMDV - Frequency Division Multiplex Digital Voice
Digital Audio over HF SSB.
FDMDV is the latest digital voice mode on HF - it caters to high quality digital voice under poor band conditions, in only 1100Hz bandwidth
[ Hits: 5115 | Votes: 6 | Rating: 7.83 ]
- Olivia, the Magic Digital Mode
- Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of the most robust methods of text keyboarding, that can perform superbly for long distance communications. Olivia frequencies, format and software
[ Hits: 1772 | Votes: 8 | Rating: 8.38 ]
- PlanePlotter is a windows decoder of live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL. Full Trial available for 21 days.
[ Hits: 11095 | Votes: 8 | Rating: 6.29 ]
- 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: 1447 | Votes: 6 | Rating: 7.17 ]
- MiniErrorCorrection Program
- This simple program was written as a possible utility for those attempting to communicate using digital modes via paths that are intermittent and tenuous such as Aircraft Scatter at VHF and Low Earth Orbiting Satellites by G3PPT.
[ Hits: 390 | Votes: 0 | Rating: 0.00 ]
- HF software digital modes for linux
- This software allows a standard PC soundcard to be used as a shortwave data "modem". The whole processing is done on the main processor CPU.
Support RTTY Amtor (Sitor) and Pactor 1 by Thomas Sailer, HB9JNX/AE4WA
[ Hits: 1471 | Votes: 3 | Rating: 6.00 ]
- DSCdecoder decodes the DSC digital signals from ships and coast stations using the sound card in your PC. You need a suitable MF, HF or VHF band radio receiver tuned to one of the DSC distress and calling channels or to one of the Navtex channels
[ Hits: 5204 | Votes: 7 | Rating: 6.14 ]
- Codec 2
- Codec2 is an open source low bit rate speech codec designed for communications quality speech at around 2400 bit/s. Applications include low bandwidth HF/VHF digital radio.
[ Hits: 989 | Votes: 0 | Rating: 0.00 ]
- 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: 1525 | Votes: 4 | Rating: 7.75 ]
- OH2NLT Experimental Digital HF Receiver
- SDR project based on a TI AFREDI8201 chipset with both ADC and DDC functions.
This SDR needs no external PC and is a RX only.
[ Hits: 2123 | Votes: 2 | Rating: 10.00 ]
- 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: 1575 | Votes: 3 | Rating: 5.33 ]
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