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data transmission
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about data transmission on dxzone.com
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Antennas : Antenna Calculators
- RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator.
It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 1686 | Votes: 8 | Rate: 5.12] Antennas : Feed Lines
- RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 275 | Votes: 0 | Rate: 0.00] Antique Radios : Museums Internet and Radio : Video
- K2NCC's YouTube Channel
- Video samples of amateur radio, military, government, domestic and international data transmissions. Covering such digital modes as ACARS, CHIP, DOMINO, JT65, MT63, NAVTEX, and many more by K2NCC Frank
[Hits: 223 | Votes: 8 | Rate: 9.38] Manufacturers : Digital and Packet Radio
- Starman Electric
- Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.
[Hits: 82 | Votes: 2 | Rate: 10.00] Manufacturers : Digital and Packet Radio : TNC
- Kantronics
- Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.
[Hits: 6629 | Votes: 7 | Rate: 5.00] Manufacturers : Microwave
- Low Power Radio Modules
- Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more
[Hits: 486 | Votes: 0 | Rate: 0.00] Operating Aids : History : Marconi Operating Modes : DSP
- Pactor III
- PACTOR-III is a software upgrade for existing PACTOR-II modems that provides a new data transmission mode for improved speed and robustness. PACTOR-III is not a new modem or hardware device. Most current PACTOR-II modems are upgradeable to use PACTOR-III via a software update since PACTOR-II firmware accommodates the new PACTOR-III software
[Hits: 620 | Votes: 2 | Rate: 10.00] Operating Modes : Digital Voice Propagation
- 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: 364 | Votes: 2 | Rate: 10.00] Radio Equipment : HF Transceivers : Yaesu FT-950 Radio Equipment : VHF-UHF Handhelds : Kenwood TH-D7A-E
- TH-D7E modifications
- Extending reception and transmission of a Kenwood TH-D7, upgrading firmware, enabling the SKY-COMMAND
[Hits: 498 | Votes: 0 | Rate: 0.00] Radio Scanning : Nature : Weather
- HRPT
- NOAA HRPT - High Rate Picture Transmission, the main source of high quality data from polar orbiting meteorological satellites
[Hits: 340 | Votes: 0 | Rate: 0.00] Radio Scanning : Regional : Europe Shopping and Services : Electronics
- DDS Data-Communicatie
- Dds data- communication Data and Tele-Communication Solutions: UMTS GSM GPRS Telemetry programmers Adeunis RF systems, antennas, radio transmission modules, oscilloscopes GPS and coax cables dealer in Holland
[Hits: 465 | Votes: 0 | Rate: 0.00] Software : Decoders
- DTMF decoder
- A very easy to use program to decode DTMF dial tones found on telephone lines with touch tone phones. The DTMF Decoder is also used for receiving data transmissions over the air in amateur radio frequency bands.
[Hits: 4327 | Votes: 3 | Rate: 7.00] Software : Weather and FAX
- SkySpy ACARS
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- SkySpy is a 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
[Hits: 28342 | Votes: 28 | Rate: 5.63] Technical Reference : Coax Cables and Connectors
- Coax cable data
- Characteristics of commonly used transmission lines
[Hits: 2963 | Votes: 7 | Rate: 7.86] Technical Reference : Duplexers
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[Hits: 2461 | Votes: 2 | Rate: 2.00] Technical Reference : Radio Frequency Interference : BPL
- Are you ready for BPL
- Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
[Hits: 444 | Votes: 0 | Rate: 0.00]
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