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166 links and 4 categories about direction on dxzone.com

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Antennas : 2M
  • 2 Meter 10 Element Quagi Antenna - This antenna was designed by N6JSX Kuby for Transmitter hiding. Fitting the requirements of directionality, high gain, and portability. This antenna was derived from the ARRL Handbook information on Quagi's and Yagi's; in the absence of two meter Quagi information, UHF Quagi dimensions were scaled into 146 MHz use.
    [ Hits: 11653 | Votes: 18 | Rating: 6.78 ]
Antennas : 6M Antennas : Array
  • Directional arrays - About collinear array antennas
    [ Hits: 3759 | Votes: 0 | Rating: 0.00 ]
Antennas : Collinear Antennas : Halo
  • Stacked Halos antennas - Stacked halo antennas for omnidirectional coverage by W9KXG
    [ Hits: 1871 | Votes: 2 | Rating: 10.00 ]
Antennas : K9AY Antennas : Loop
  • The full-wave loop antenna - These omnidirectional antennas offer Horizontal polarization, and about 2.1 dbd of gain. They are much quieter than a dipole or a vertical, have a broader bandwidth and will usually out perform a dipole antenna.
    [ Hits: 4695 | Votes: 4 | Rating: 6.50 ]
Antennas : Receiving
  • Remotely-tuned loop antenna for LW and MW - This article describes how to build a loop antenna for low frequency (LF) and medium wave (MW) reception with remote-controlled tuning. The antenna is extremely sensitive and can be built mostly from parts from old radios and tape recorders. Like all loop antennas, it is highly directional, which allows you to null out unwanted noise sources.
    [ Hits: 2588 | Votes: 1 | Rating: 1.00 ]
Antennas : Theory : Antenna Gain
  • Corner reflector antenna - Do you need a high gain antenna? Have you suffered on picking up interference from unwanted direction? You need a directional antenna but a 12 element Yagi will be too attractive!
    [ Hits: 1432 | Votes: 4 | Rating: 3.75 ]
Antennas : VHF UHF
  • Common vhf amateur radio antennas - Plans and drawings of common amateur radio antennas, like jpoles, copper cactus, super jpole, omnidirectionals and quads
    [ Hits: 1841 | Votes: 2 | Rating: 9.00 ]
Antennas : WiFi
  • Slotted Waveguide 802.11b WLAN antennas - 802.11b WLAN Waveguide Antennas Unidirectional & Omnidirectional. High gain, Simple construction by Trevor Marshall
    [ Hits: 6103 | Votes: 17 | Rating: 7.11 ]
  • DirectionalWaveguide - Seattle Wireless - Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss
    [ Hits: 4589 | Votes: 3 | Rating: 6.00 ]
  • PringlesCantenna - Seattle Wireless - The PringlesCantenna is an ultracheap Yagi-type directional antenna that can be built for under $10. The original Pringles Yagi was designed by Andrew Clap.
    [ Hits: 8106 | Votes: 3 | Rating: 7.00 ]
  • DirectionalBiQuad - Seattle Wireless - A biquad is a fairly powerful antenna which is relatively easy to construct, with impressive performance for their size. A link greater than 5 miles can be made with a pair of these as a stand-alone antenna and a Prism2 100mW card, provided you keep coax short, and your line-of-sight is clear.
    [ Hits: 9387 | Votes: 44 | Rating: 5.29 ]
Ham Radio : Personal Pages : Europe
  • SM5IQ Alf - "Ham" Radio, History of Amateur Radio Direction Finding (ARDF) in Sweden, Genealogy, Nostalgia. In English and Swedish
    [ Hits: 215 | Votes: 1 | Rating: 9.00 ]
Manufacturers : Accessories
  • Peet Bros Company - Manufacturer of advanced electronic systems to measure such weather data as: wind speed, wind direction, wind chill, pressure, humidity, rainfall, and dew point.
    [ Hits: 398 | Votes: 2 | Rating: 10.00 ]
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: 7267 | Votes: 5 | Rating: 7.00 ]
Manufacturers : Antennas : VHF UHF Microwave
  • Antenna Authority - Specializing in an assortment of directional, wideband antennas and other equipment used for radio location
    [ Hits: 325 | Votes: 2 | Rating: 9.00 ]
Manufacturers : Antennas : VHF UHF Microwave : Microwave antennas
  • Platinum Technologies - Manufacture sector, omni directional, panel and parabolic antennas for professional base and client stations. 900 Mhz, 2.4 Ghz 3.5 Ghz and 5 Ghz antennas
    [ Hits: 275 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Antennas : VHF UHF Microwave : Yagi Antennas
  • RF HAMDESIGN - An engineering oriented organization specializing in the design and manufacture of high performance parabolic antennas, 3dB high power RF couplers, Antenna power splitters, directional RF couplers and more items for RF transmission from HF through Microwave frequencies.
    [ Hits: 1323 | Votes: 4 | Rating: 9.00 ]
Manufacturers : Power Supply
  • National RF, Inc. - National rf provides consulting engineer services, and manufactures direction finding antennas, test equipment, communications receiving equipment and adjuncts, satellite antennas, voice amplification and audio equipment.
    [ Hits: 573 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Radio Direction Finding
  • A new method of radio direction finding Priority listing - A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.
    [ Hits: 1968 | Votes: 1 | Rating: 10.00 ]
Software : Antenna analysis
  • Meter Mate - SWR Graph Software  updated - Meter Mate is a companion utility for your directional watt meter that allows you to calculate the SWR reading when the forward and reflected power readings are measured. In addition to calculating the antenna system SWR Meter Mate will also plot the SWR curves of all of your antennas onto graphs that may be printed out.
    [ Hits: 1443 | Votes: 11 | Rating: 5.26 ]
Software : Grid Bearing and Maps
  • MU-Locator - This free program displays the location of any locator on a map. It calaculates between two Maidenhead locators the distance (km and miles) azimuth longitude latitude Show the location, direction and distance as you move your mouse on a map! Graphical Locator Program, By ON6MU
    [ Hits: 1398 | Votes: 4 | Rating: 5.50 ]
  • PreMuLoc for windows - This program combines the formerly know programs PreFind and MU-Locator into one but with many improvements to find the location of any prefix, country or Maidenhead locator! Display and find locators on any map and calculate the distance and direction between two locators.
    [ Hits: 374 | Votes: 1 | Rating: 9.00 ]
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