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direction

185 links - and 4 categories

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: 15647 | Votes: 32 | Rating: 7.06 ]
Antennas : Array
  • Directional arrays - About collinear array antennas
    [ Hits: 4384 | Votes: 0 | Rating: 0 ]
Antennas : Collinear
  • Build a 2.4GHz Vertical antenna  pop - Building a 2.4GHz vertical collinear omnidirectional antenna
    [ Hits: 77399 | Votes: 118 | Rating: 6.27 ]
  • Omni-Gain Vertical Collinear Antenna - This rugged antenna, an omnidirectional collinear, is capable of surviving harsh environments. It's a good choice for repeater installations and can be top, or side mounted to the tower by WA6SVT
    [ Hits: 10739 | Votes: 7 | Rating: 4.86 ]
Antennas : Dipole
  • Build a hanging dipole for 2 metres - Described here is a simple omni-directional, vertically-polarized dipole for two meters. Made from coaxial cable, it can be rolled up and stored in a small container
    [ Hits: 5334 | Votes: 3 | Rating: 8.33 ]
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: 5051 | Votes: 4 | Rating: 6.5 ]
Antennas : Theory
  • Sensitivity of Multi Turn Receiving Loops - Magnetism is manifested as a 'field of vectors', that is, any point in the magnetic field has not only a magnitude, but a direction in space. The four Maxwell equations describe how electric and magnetic vector fields behave and interact.
    [ Hits: 353 | Votes: 0 | Rating: 0 ]
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: 1707 | 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: 2100 | Votes: 2 | Rating: 9 ]
Antennas : WiFi
  • 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: 4982 | Votes: 3 | Rating: 6 ]
  • 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: 9417 | Votes: 5 | Rating: 6.8 ]
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: 633 | Votes: 2 | Rating: 10 ]
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: 8400 | Votes: 8 | Rating: 6.12 ]
Manufacturers : Antennas : VHF UHF Microwave
  • Antenna Authority - Specializing in an assortment of directional, wideband antennas and other equipment used for radio location
    [ Hits: 485 | Votes: 3 | Rating: 8 ]
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: 1615 | Votes: 5 | Rating: 9 ]
Software : Antenna analysis
  • Meter Mate - SWR Graph Software - 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: 1914 | Votes: 12 | Rating: 4.91 ]
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: 1723 | Votes: 5 | Rating: 6.4 ]
  • 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: 591 | Votes: 2 | Rating: 9.5 ]
Technical Reference : Raspberry Pi
  • Meteo Beacon in VHF with a Raspberry pi - VHF weather beacon based on raspberry pi. speed and direction of the wind, temperature, atmospheric pressure, are transmitted in voice every 15 minutes. In French
    [ Hits: 249 | Votes: 4 | Rating: 2.5 ]

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