digital radio

digital radio

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• VU2LFA ham radio in india - This site is basically for the begeners (SWL) of india. This site is supporting to digital communication for hams also.
  [ Hits: 397 | Votes: 8 | Rating: 7.5 ]

• Feirnha DIGITAL - Feirnha DIGITAL a popular Brazilian free ham radio classifieds, links and more
  [ Hits: 1112 | Votes: 5 | Rating: 6.6 ]

• Maha / Powerex - Portable electronics, amateur radio, pro audio and digital cameras batteries, chargers and conditioners.
  [ Hits: 973 | Votes: 0 | Rating: 0 ]

• SAT-Service Schneider - Digital radio mondiale DRM products, measuring tools, Magnetic field probes, RF power meters, Broadband loop antennas, DRM devices and services
  [ Hits: 863 | Votes: 0 | Rating: 0 ]

• KK7UQ - Digital Radio - The KK7UQ computer to radio interface, sound card interfaces, IMD meters interface products
  [ Hits: 1656 | Votes: 6 | Rating: 8.33 ]

• Clover - Clover technical specifications, digital communications mode that conveys 8-bit digital data over narrow-band high-frequency radio.
  [ Hits: 930 | Votes: 1 | Rating: 10 ]
• Pactor - 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: 679 | Votes: 0 | Rating: 0 ]
• Psk31 - PSK31 is a digital communications mode which is intended for live keyboard-to-keyboard conversations, similar to radioteletype. Its data rate is 31.25 bauds (about 50 word-per-minute), and its narrow bandwidth (approximately 60 Hz at -26 dB) reduces its susceptibility to noise.
  [ Hits: 1444 | Votes: 1 | Rating: 10 ]

• WinDRM - HF Digital Radio Mondiale - WinDRM is the hottest digital mode on HF today! Nothing else exists where you can transfer data at almost 1KB/s without using proprietary hardware. HF Digital Radio Mondiale allow fast data, pictures, and voice over a 2.5Khz bandwidth
  [ Hits: 18089 | Votes: 22 | Rating: 7.81 ]

• JT65 Protocol - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
  [ Hits: 1506 | Votes: 3 | Rating: 7 ]

• Sound Card Packet - This amateur radio web site explains how to use the AGWPE utility program to send and receive packet (a digital data mode) using the sound card of your PC instead of a traditional TNC (Terminal Node Controller), a radio modem.
  [ Hits: 1170 | Votes: 2 | Rating: 5.5 ]

• Yaesu FT897 and digital radio mondiale - Using the FT897 with DRM, in german
  [ Hits: 2141 | Votes: 2 | Rating: 8.5 ]

• Batterytech - Buy nimh, ncicad, and li-ion batteries, chargers, and analyzers for laptops, pdas, digital cameras, cellular phones, nextel radios, hand held scanners, and eliminators
  [ Hits: 751 | Votes: 1 | Rating: 10 ]

• Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin
  [ Hits: 831 | Votes: 0 | Rating: 0 ]

• Dream - Opensource software implementation of a DRM Receiver. Digital Radio Mondiale (DRM) is a new digital radio standard for the long-, medium- and short-wave ranges
  [ Hits: 15891 | Votes: 19 | Rating: 5.84 ]
• EasyPal  ^updated - Easypal is a freeware DSSTV software uses the DRM (Digital Radio Mondiale) encoding to allow the sending of image files over voice channels. This mode is known as Digital SSTV
  [ Hits: 9346 | Votes: 25 | Rating: 6.42 ]

• DSCdecoder - 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: 6223 | Votes: 11 | Rating: 6.09 ]

• FNpsk - The FNpsk program provides for accurate message handling and net management of amateur radio emergency communications using the PSK31 or PSK63 digital formats
  [ Hits: 1430 | Votes: 1 | Rating: 1 ]

• gMFSK - Linux free multimode HF terminal program. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. Supported modes are: MFSK (MFSK16 and MFSK8) RTTY THROB (1, 2 and 4 throbs/sec) PSK31 (BPSK and QPSK) PSK63 MT63 Feldhell
  [ Hits: 4399 | Votes: 5 | Rating: 9 ]

• QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
  [ Hits: 5086 | Votes: 6 | Rating: 7 ]

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