iss digital29 links - and 2 categories
- N. American Data Communications Museum
- Telephony technology from telegraph to digital transmission
[ Hits: 931 | Votes: 0 | Rating: 0.00 ]
- The CQ DX Field Award
- The CQ DX Field Award is issued in four categoriesóMixed, CW, SSB, and Digitalófor confirmed two-way contacts with 50 or more Grid Fields
[ Hits: 282 | Votes: 1 | Rating: 1.00 ]
- Trusted QSL
- The mission of the Trusted QSL Group is to keep eQSL an open and free activity for amateur radio operators by promoting the Digital Signature Standard (DSS).
[ Hits: 495 | Votes: 1 | Rating: 10.00 ]
- Sound samples of digital transmissions
- Sound samples of the transmission modes recorded at 11025 samples per second, mono and the message in all of the samples is the same: "the quick brown fox jumps over the lazy dog 1234567890".
[ Hits: 2831 | Votes: 7 | Rating: 8.57 ]
- DStar- is anybody else worried about this?
- D-Star is being promoted as a new digital voice transmission mode "For the second century of Amateur Radio" - but does it really fit into the spirit of the hobby?
[ Hits: 295 | Votes: 0 | Rating: 0.00 ]
- PACTOR can be viewed as a combination of two earlier digital modes, packet radio and AMateur Teleprinting Over Radio (AMTOR). PACTOR provides improved throughput because its transmission speed adapts to the quality of the link and it uses Huffman compressed characters.
[ Hits: 556 | Votes: 0 | Rating: 0.00 ]
- Digital DX Live
- DX Spots of digital emissions
[ Hits: 2189 | Votes: 5 | Rating: 3.60 ]
- Digital ATV in simple terms
- This article was first published in CQ-TV issue 208. Author try to explain digital television in layman's terms and without getting too involved in mathematics.
[ Hits: 428 | Votes: 0 | Rating: 0.00 ]
- Digital Amateur Television
- First Amateur DVB transmissions in Finland !
[ Hits: 553 | Votes: 1 | Rating: 1.00 ]
- Mixed-Mode Operation on Voice Repeaters
- Mixed-mode operation, where voice and digital transmissions are used in turn on the same frequency
[ Hits: 636 | Votes: 0 | Rating: 0.00 ]
- Digital SSTV images
- HAMDRM pictures received on 80 meters band at 3733 KHz
[ Hits: 147 | Votes: 0 | Rating: 0.00 ]
- ST2NH Nader
- Many satellites homebrew projects from the sudanese amateur radio station ST2NH active on satellites, ISS, HF phone and digital modes.
[ Hits: 357 | Votes: 2 | Rating: 10.00 ]
- WSPRnet Weak Signal Propagation Reporter Network
- A group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power transmissions.
Computer sent/received Morse signals received by amateurs and collected on an online database.
[ Hits: 1001 | Votes: 3 | Rating: 10.00 ]
- VHF UHF Microwave Radio Propagation
- Notes on radio propagation in that part of the spectrum (upper VHF to microwave) used by experimenters for high-speed digital transmission
[ Hits: 1304 | Votes: 8 | Rating: 6.38 ]
- SkySpy ACARS
- SkySpy is a cheap Windows 95/98 software program combining a decoder and a database in order to decode ACARS transmissions, the digital data link between commercial aircraft and ground stations, demod ACARS FAX METEO POCSAG HAM. Software is no more supported and developed.
[ Hits: 36629 | Votes: 48 | Rating: 5.45 ]
- Professional software for real-time analysing, demodulation/decoding digital radio-transmission``Demodulation based on the best of the noiseproof correlation algorithms``Demodulation ASK, Morse, FSK, MFSK, CPFSK, GMFSK, FSK4, FSK8, PSK, BPSK, QPSK, FAX
[ Hits: 10880 | Votes: 36 | Rating: 5.57 ]
- DigiACE is an experimental Digital SSTV system.
The latest version is posted as DigiACE.zip
DigiACE uses the RDFT transmission system with some enhancements
[ Hits: 2531 | Votes: 3 | Rating: 8.33 ]
- MF TeleType
- MF TeleType is a program for amateur radio digital communication via sound card, ham radio chat program for extra reliable text transmissions over long distance
[ Hits: 472 | Votes: 0 | Rating: 0.00 ]
- Ipsk31 is a modem based on Bpsk31 protocol for ham radio digital transmissions. Can be used on IPhone and Ipod Touch, and let you transmit and receive PSK31 directly from your Apple device.
[ Hits: 4861 | Votes: 8 | Rating: 6.20 ]
- Interdigital bandpass filter designer
- Fill out the form to design a bandpass filter as described in the January 1985 issue of Ham Radio Magazine. These filters are generally limited to frequencies above 200 MHZ because their size is slightly longer than 1/4 wavelength
[ Hits: 961 | Votes: 6 | Rating: 7.67 ]
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