radio frequency

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Search Results for "radio frequency"

213 links - and 6 categories

Antennas : Feed Lines
  • Feeding the Beast - Transferring Radio Frequency Energy from Your Transmitter to Your Antenna by Don Keith N4KC
    [ Hits: 379 | Votes: 1 | Rating: 10.00 ]
DX Resources : Beacons
  • NCDXF/IARU Beacon Project - The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons on 14.100, 18.110, 21.150, 24.930, and 28.200 megaHertz. These beacons help both amateur and commercial high-frequency radio users assess the current condition of the ionosphere
    [ Hits: 1154 | Votes: 2 | Rating: 7.50 ]
Ham Radio : Band Plans
  • ITU: Frequency Allocations - Table of frequency allocations for Amateur and Amateur Satellite Service
    [ Hits: 1966 | Votes: 1 | Rating: 2.00 ]
Manufacturers : Accessories
  • DCI Digital Communications - Band pass filters, for radio frequency interference problems.
    [ Hits: 483 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Digital and Packet Radio
  • K2RF Communications Products - K2RF is a manufacturer of radio frequency, audio, and video processing products including repeater link controllers, speech limiters, and RF equipment for the commercial, HAM, and amateur radio consumer.
    [ Hits: 638 | Votes: 0 | Rating: 0.00 ]
Operating Aids : Radio Spectrum
  • The Shortwave Broadcast Bands - For convenience, the shortwave part of the radio-frequency spectrum is subdivided into bands. Each band has its own unique propagation characteristics
    [ Hits: 4320 | Votes: 7 | Rating: 7.15 ]
  • US Frequency allocations - Searchable database of frequency allocations in the US, from cellular frequencies, paging frequencies to maritime and microwave frequencies.
    [ Hits: 1632 | Votes: 3 | Rating: 4.00 ]
Propagation : Resources
  • HF Radio wave propagation - Radiowave propagation in the medium and high frequency spectrum in DOC format
    [ Hits: 713 | Votes: 3 | Rating: 3.33 ]
Radio Equipment : VHF-UHF Handhelds : Yaesu VX-150
  • Frequency files for VX-150 - Frequency files and software for programmable scanners fro VX-150 and VX-2 yaesu radios
    [ Hits: 4314 | Votes: 11 | Rating: 3.36 ]
Radio Equipment : VHF-UHF Mobile : ICOM IC-2100H Radio Scanning
  • The Radio Reference - RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.
    [ Hits: 5500 | Votes: 30 | Rating: 6.89 ]
Radio Scanning : Maritime
  • The G4PYR MF Coastal Radio Website - Website dedicated to Coastal Radio Stations, includes frequency lists for memdium frequencies maritime stations
    [ Hits: 1564 | Votes: 6 | Rating: 10.00 ]
Radio Scanning : Regional : USA
  • Las Vegas Scanner Frequencies - These are some of the frequencies that you can listen to when you are in Vegas with your radio scanner. Includes metro, police, fire dept.
    [ Hits: 3469 | Votes: 32 | Rating: 6.09 ]
  • Missouri/Kansas Scanner Radio - Provides comprehensive frequency listings for various public safety agencies and private organizations who operate across the Kansas and Missouri Region.
    [ Hits: 9851 | Votes: 62 | Rating: 6.69 ]
Shortwave Radio : Broadcasters : Pirate Radio
  • Alfa Lima International - A free radio station that is transmitting world wide on several shortwave frequency 's with loads of pirate and freeradio information.
    [ Hits: 1005 | Votes: 1 | Rating: 9.00 ]
Software : APRS
  • APRS-Beacon - The purpose of the APRS-Beacon is to provide simple APRS-compatible position beacons for up to three Objects. It is designed to 'stand alone' and does not monitor other traffic on the frequency. It can use a single-port TNC (in 'native' mode), a single- or dual-port TNC in Kiss mode or the AGW Packet Engine in order to transmit on up to four radio ports.(When running with AGWPE, APRS-Beacon will also work with Windows 2000)
    [ Hits: 3038 | Votes: 5 | Rating: 2.80 ]
Technical Reference : CB Radios
  • Open-channel - A CB radio website aimed mainly at the UK market including help, tips, repairs, mic wiring, frequency charts, chat forum,rig doctor listing, mail order shops and much much more
    [ Hits: 3815 | Votes: 4 | Rating: 7.00 ]
Technical Reference : Electronics
  • Ferrite on Reducing RFI - Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your receivers or transceivers.
    [ Hits: 2027 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Radio Frequency Interference
  • Safety: RF awarness guidelines - Although Amateur Radio is basically a safe activity, in recent years there has been considerable discussion and concern about the possible hazards of electromagnetic radiation (EMR), including both RF energy and power frequency (50-60 Hz) electromagnetic fields. This section summarizes what is now known and offers safety precautions based on the research to date.
    [ Hits: 445 | Votes: 0 | Rating: 0.00 ]
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: 557 | Votes: 0 | Rating: 0.00 ]
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