frequency

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Search Results for "frequency"

505 links - and 9 categories

Antennas
  • Tenna Dipper Kit - The "Tenna Dipper" is a low power antenna analyzer and ATU tuning aid. With this handy accessory, you can determine the 50 Ohm resonance frequency of antennas or you can adjust your antenna tuner for a 50 Ohm match without generating QRM
    [ Hits: 3773 | Votes: 3 | Rating: 4.00 ]
Antennas : Quad
  • Quad antenna calculator  updated - To get the dimensions for your quad, all you have to do is type in the center frequency of the range where you talk, or the frequency you use most and then click the Calculate button.
    [ Hits: 5691 | Votes: 38 | Rating: 4.56 ]
Antennas : Towers
  • KC1XX Contest Station - Amateur Radio Station owned by Matt Strelow. The station is designed for competition in the multi-operator multi-transmitter category of high-frequency DX contests. Running with 7 towers 6 rotators, 8 beverage listening antennas, and 4 spotting verticals
    [ Hits: 1576 | Votes: 2 | Rating: 6.50 ]
Antennas : Windom
  • The FD4 (FD3) Windom Antenna  pop - The 4-band Fritzel model FD4 is a special version of a Windom antenna. It is a half-wave long on the lowest frequency, and is fed from a coax cable through a transformer inserted in the wire at one-third from one end
    [ Hits: 49020 | Votes: 82 | Rating: 5.36 ]
CB Radio : References
  • Rob's UK CB Radio information site - Robís uk cb radio information website, here you will find information on cb radio, swr, Morse code, frequency charts, 10 codes, q codes, z codes, cb chat room, cb radio forum plus lots more.
    [ Hits: 805 | Votes: 6 | Rating: 7.00 ]
Manufacturers : Accessories
  • AOR U.S.A., INC. - Aor u.s.a web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas
    [ Hits: 1789 | Votes: 7 | Rating: 5.14 ]
Manufacturers : Amplifiers
  • SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
    [ Hits: 7545 | Votes: 5 | Rating: 7.00 ]
  • Comtechpst.com - High Power RF Amps - Comtech PST offers solid-state power amplifiers in frequency ranges from 1 MHz through 3.6 GHz, with output power levels ranging from 5 watts to over 30 kW
    [ Hits: 2907 | Votes: 2 | Rating: 10.00 ]
Manufacturers : Cable and Connectors
  • Radio Frequency Systems - RFS is a global designer and manufacturer of cable and antenna systems plus active and passive RF conditioning modules, providing total-package solutions for wireless infrastructure.
    [ Hits: 300 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Digital and Packet Radio
  • Coastal ChipWorks - Amateur Radio Products From John Hansen, W2FS, Kenwood D700 Keyboard Interface, Expandable TNC with an Optional, remote controls for ICOM radios, frequency keypads for yaesu and icom radios
    [ Hits: 2232 | Votes: 2 | Rating: 5.50 ]
Manufacturers : Filters
  • International Crystal Manufacturing Company - International crystal manufacturing provides quartz crystals, oscillators, precision crystals, filters, tcxos / vctcxos, qcm crystals, and other frequency control products. read details about our crystals and frequency control products and services.
    [ Hits: 713 | Votes: 2 | Rating: 5.50 ]
Manufacturers : Test Equipment
  • Spectrum Instruments - Spectrum manufactures very high-performance, low-cost, GPS-disciplined time and frequency reference standards for industry, scientific, calibration, broadcast and amateur operators.
    [ Hits: 320 | Votes: 1 | Rating: 10.00 ]
Operating Modes : Digital Voice
  • FDMDV - Digital Voice - FDMDV - Frequency Division Multiplex Digital Voice Digital Audio over HF SSB. FDMDV is the latest digital voice mode on HF - it caters to high quality digital voice under poor band conditions, in only 1100Hz bandwidth
    [ Hits: 4820 | Votes: 6 | Rating: 7.83 ]
Propagation
  • Near-Real-Time F2-Layer Critical Frequency Map - This map can be used to determine the frequencies that will always be returned to the Earth. Transmitted frequencies higher than the indicated contours (which are given in MHz) may penetrate the ionosphere, resulting in lost power to space. The map shows the radio auroral zones as green bands near the northern and southern poles.
    [ Hits: 4650 | Votes: 22 | Rating: 5.10 ]
Software : Circuit Design
  • TubeCalc - Input (grid or cathode) and output (plate) tube resistances calculation according to its electrical characteristics, frequency, mechanical dimensions and working conditions.
    [ Hits: 1453 | Votes: 4 | Rating: 4.25 ]
Software : DSP
  • FreqTweak - FreqTweak is a tool for FFT-based realtime audio spectral manipulation and display for Linux. It provides several algorithms for processing audio data in the frequency domain and a highly interactive GUI to manipulate the associated filters for each. It also provides high-resolution spectral displays in the form of scrolling-raster spectrograms and energy vs frequency plots displaying both pre- and post-processed spectra.
    [ Hits: 1070 | Votes: 3 | Rating: 9.00 ]
  • glfer - glfer is a program for reception and transmission of QRSS/DFCW signals. It is composed of two main parts: the spectrogram window, where you can see the spectrum of the received signal vs. time the transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes
    [ Hits: 1424 | Votes: 0 | Rating: 0.00 ]
Software : Grid Bearing and Maps
  • BCmap - This program shows a polar-projection map of the northern part of Region 2 (Western hemisphere) with the patterns of all AM radio stations in Canada, the United States, Mexico and Cuba, on a specified frequency, with the map centered on a user-specified "home" location.
    [ Hits: 1800 | Votes: 3 | Rating: 7.00 ]
Software : PSK31
  • RX-PSK31 - Easy to use Audio Spectrum- and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum analasys or to set it for best decoding of PSK31 signals. By ON6MU
    [ Hits: 2443 | Votes: 2 | Rating: 10.00 ]
Software : PalmOS
  • The KB6IBB Utilities for Palm OS - designed for the ham radio operator or radio scanner hobbyist. It houses four databases that organize your frequency lists. EDACS Trunk - A database that houses the entire EDACS ID table. Conventional - A database that houses lists by channal number. Radio Call Log - A database that allows the user to log calls/notes. Ham Radio Repeaters - A database for ham radio repeaters.
    [ Hits: 692 | Votes: 2 | Rating: 5.50 ]
Software : Pocket PC
  • Ham Fan - A free small database program for Palm OS that allows you to log ham radio contacts. You can log the call sign, name, date, time and frequency of the contact.
    [ Hits: 681 | Votes: 0 | Rating: 0.00 ]
Software : Radio Control
  • EasyTuner - Easytuner id an excel spreadsheet that tunes your radio. Works with all Kenwood and Icom receivers and transceivers that are computer-controllable. Sets receiver and transmitter frequency and mode
    [ Hits: 2731 | Votes: 2 | Rating: 10.00 ]
  • RadioCtl - A computer control program for ICOM, KENWOOD, Radio Shack and AOR radios using Windows 3.1 or Windows 95. The program features 1000 frequency channels, 100 scan and search banks, and DBASE compatible frequency lookups.
    [ Hits: 2607 | Votes: 3 | Rating: 5.67 ]
  • HugeIcom - This is a very simple program which helps visually handicapped people to see the frequency and mode of the rig. Or maybe it's useful for demos, trade shows or similiar. It will work with any Icom except the IC-735.
    [ Hits: 981 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Audio
  • Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser
    [ Hits: 13192 | Votes: 15 | Rating: 7.60 ]
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