data transmission

data transmission

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: 2502 | Votes: 18 | Rating: 3.94 ]

• 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: 578 | Votes: 2 | Rating: 1 ]

• N. American Data Communications Museum - Telephony technology from telegraph to digital transmission
  [ Hits: 1054 | Votes: 0 | Rating: 0 ]

• Amphenol RF - Amphenol RF is a leading manufacturer of coaxial connectors for use in radio frequency, microwave, and data transmission system applications. Headquartered in Danbury, Connecticut, USA, Amphenol RF has global sales, marketing and manufacturing locations in North America, Asia and Europe. Standard products include RF connectors, coaxial adapters and RF cable assemblies. Custom engineered products include multi-port ganged interconnect, blindmate and hybrid mixed-signal solutions.
  [ Hits: 169 | Votes: 0 | Rating: 0 ]

• 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: 316 | Votes: 5 | Rating: 10 ]

• 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: 9033 | Votes: 9 | Rating: 4.11 ]

• 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: 821 | Votes: 0 | Rating: 0 ]

• First radio signal over Atlantic - Description od Marconi's first transmission over Atlantic Ocean
  [ Hits: 862 | Votes: 6 | Rating: 3 ]

• Tiny Track I - Tiny Track-I is a simple unit offering the transmission of your position-data (as mobile etc) in APRS , just by using a VHF and a GPS.
  [ Hits: 295 | Votes: 0 | Rating: 0 ]

• 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: 852 | Votes: 2 | Rating: 10 ]

• Introduction to NBEMS - A presentation of the NBEMS and the importance of data transmission in Digital EmComm.
  [ Hits: 636 | Votes: 0 | Rating: 0 ]

• UK Scanner frequency database  ^pop - Large frequency database of uk counties, includes forums and reviews
  [ Hits: 31844 | Votes: 115 | Rating: 5.04 ]

• HRPT - NOAA HRPT - High Rate Picture Transmission, the main source of high quality data from polar orbiting meteorological satellites
  [ Hits: 655 | Votes: 0 | Rating: 0 ]

• 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: 1041 | Votes: 0 | Rating: 0 ]

• SkySpy ACARS  ^pop - 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: 37332 | Votes: 48 | Rating: 5.45 ]

• FT CALC 1.3 - Ferrite Toroidal Core HF Calculator - This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between 1 and 50 MHz. Manufacturer data for complex permeability, magnetic dimensions, and saturation flux density must be available. Some core types which are commonly used in amateur transmission are included. The program produces limiting winding voltages for linear operation and temperature rise over the range of frequencies and power specified.
  [ Hits: 262 | Votes: 1 | Rating: 2 ]

• 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: 7910 | Votes: 14 | Rating: 4.79 ]

• Coax cable data - Characteristics of commonly used transmission lines
  [ Hits: 3580 | Votes: 8 | Rating: 7 ]

• 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: 3776 | Votes: 12 | Rating: 7.75 ]

• 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: 669 | Votes: 0 | Rating: 0 ]