antenna long

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Antennas : 160M
  • 160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
    [ Hits: 3700 | Votes: 5 | Rating: 5.60 ]
  • Invisible DX antenna for the low bands - Article by DK5WL describes a multi-band DX antenna for the 160m-40m amateur radio bands with low visibility but great performance for long distance communication.
    [ Hits: 6253 | Votes: 1 | Rating: 1.00 ]
  • 160 meters long wire antenna - The Ladder-line Twin-lead Marconi Antenna system for 160 meters band
    [ Hits: 4924 | Votes: 3 | Rating: 3.67 ]
Antennas : 40M
  • 40M Reversible Moxon - W8EGB moxon project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.
    [ Hits: 3802 | Votes: 2 | Rating: 9.00 ]
Antennas : 4M
  • The 50 MHz DK7ZB Quadlong - The Quadlong antenna for the six meter band. This antenna feature a total gain of 6,4 dBd, F/B 21 dB and is also available in 70MHz version. Includes detailed pictures and plot diagrams.
    [ Hits: 1201 | Votes: 26 | Rating: 9.00 ]
Antennas : 70cm
  • Portable 70cm Quadruple Quad Beam - A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.
    [ Hits: 3231 | Votes: 3 | Rating: 8.00 ]
Antennas : Baluns
  • QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
    [ Hits: 2917 | Votes: 3 | Rating: 7.00 ]
Antennas : Feed Lines Antennas : Feed Lines : Open Wire
  • Open Wire Feed Line a second look - Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and—poof! Instant multiband antenna. Is life really that simple? By Paul Danzer, N1II
    [ Hits: 2074 | Votes: 4 | Rating: 3.25 ]
Antennas : Mobile
  • W5JGV Mobile Antenna - A High Efficiency Extended Length Mobile Antenna The antenna itself is 3.42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip. By W5JGV
    [ Hits: 3582 | Votes: 4 | Rating: 7.25 ]
Antennas : Multiband
  • QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils
    [ Hits: 5497 | Votes: 4 | Rating: 6.25 ]
Antennas : Theory
  • Importance of noise reduction in wires antennas - An old post by John Doty about effects of noise in longwire antenna.
    [ Hits: 1481 | Votes: 0 | Rating: 0.00 ]
  • Earth Systems - In order to resonate at a particular frequency, an antenna needs to be at least one half wave length long. Antennas below a 1/2 wave are dependent on a ground system for resonance as well.
    [ Hits: 927 | Votes: 1 | Rating: 3.00 ]
Antennas : Theory : Antenna Gain
  • Antenna Gain to ERP - A radio's transmitting power can be concentrated along the horizon by use of a GAIN antenna. Although you may still be transmitting with four watts of power, your effective radiated powerwill be greatly increased. This table shows the effects of antenna gain on a transmitter with 4 watts of transmit power.
    [ Hits: 1241 | Votes: 4 | Rating: 4.50 ]
Antennas : Tuners Antennas : Wire
  • CO2KK Wire antenna for 50 Mhz - 6m (50Mhz) Long wire antenna There is another form of long wire antenna which provides uni-directional coverage and is easy to build. Description by Arnie Coro CO2KK
    [ Hits: 1376 | Votes: 2 | Rating: 7.00 ]
Manufacturers : Antenna Parts
  • Anteny SP1BKS - Antenna manufacturer from Poland, produce dipole wire antennas, W3DZZ FD4 Windom and long wires, baluns, dealer for toroids and connectors managed by Leszek Mlynarczyk SP1BKS
    [ Hits: 2301 | Votes: 1 | Rating: 10.00 ]
Operating Modes : WiFi : Long Range WiFi
  • Long Range Wi-Fi - Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.
    [ Hits: 10596 | Votes: 8 | Rating: 5.87 ]
Software : Grid Bearing and Maps
  • Beam DX - BEAM_DX is a free windows software for radioamateurs or radio listeners usage. It allows to point a directionnal antenna towards an azimuth, a locator, an international prefix or any other geographical position on earth predefined by its latitude and its longitude
    [ Hits: 2370 | Votes: 4 | Rating: 5.00 ]
Software : Linux
  • IBP - Beacon Monitor - Linux program that helps one with monitoring the beacons of the International Beacon Project, by continuously showing which beacon is transmitting on which frequency, along with the distance and antenna directions by PA3FWM
    [ Hits: 1115 | Votes: 1 | Rating: 10.00 ]
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