ground plane

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ground plane

54 links - and 1 categories

Antennas : 40M
  • Ground Plane for 7 MHz - How to build a ground plane antenna for the 40 meters band in french
    [ Hits: 3147 | Votes: 2 | Rating: 7 ]
Antennas : 40M : 40 meter Vertical Antennas Antennas : 6M
  • 6 Meter 5/8 Wave Vertical Antenna - The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. If needed, it can be disassembled into a very small bundle no longer than the longest element.
    [ Hits: 18926 | Votes: 11 | Rating: 6.28 ]
Antennas : 6M : 6 meter J-Pole Antenna
  • 50MHz J-Pole Antenna  pop - Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
    [ Hits: 33818 | Votes: 18 | Rating: 7.05 ]
Antennas : Antenna Calculators
  • Quarter Wave GP Antenna Calculator - Amateur quarter wave ground plane antenna calculator, calculate vertical and radial length
    [ Hits: 4839 | Votes: 24 | Rating: 6.04 ]
  • Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas
    [ Hits: 4455 | Votes: 11 | Rating: 6.01 ]
Antennas : Array Antennas : End-Fed
  • Feeding an End-Fed Antenna - End-Fed antennas are NOT balanced systems; but neither are verticals, ground planes, discones, windoms, zepps, Marconis, half-slopers, et al. Additionally, the low-impedance antenna port of your transmitter/receiver is not balanced.
    [ Hits: 21453 | Votes: 22 | Rating: 7.33 ]
Antennas : G5RV
  • G5RV vs. Ground Plane on 80M - Comparison tests by WF7T of a G5RV antenna vs a GP antenna on 80 meters band
    [ Hits: 1547 | Votes: 3 | Rating: 7 ]
Antennas : J-Pole
  • J-Pole theory  pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.
    [ Hits: 30316 | Votes: 26 | Rating: 6.87 ]
Antennas : Theory
  • A Modern Thermocouple Ammeter - Thermocouple ammeters are very rare these days, but the job they were perfect for - measuring antenna currents - is still a modern requirement especially in respect to groundplane currents. By David A. Reid PA3HBB G0BZF
    [ Hits: 2871 | Votes: 2 | Rating: 6 ]
  • Another way to look at vertical antennas - What iss the difference between a dipole and a vertical? Maybe not as much as you think. Come along and try another point of view.
    [ Hits: 4047 | Votes: 0 | Rating: 0 ]
  • Groundplane Antennas at Various Heights - Mounting on Roof or at Ground Level? Why ground plane antenna works better at lower level.
    [ Hits: 987 | Votes: 3 | Rating: 10 ]
  • Why Radials ? - Butternut article on radials usage on vertical and ground plane antennas
    [ Hits: 952 | Votes: 0 | Rating: 0 ]
Antennas : Vertical
  • 6m vertical antenna - G3JVL Six meters ground plane vertical is a compact antenna that is ideal for portable operations on 50 Mhz
    [ Hits: 12375 | Votes: 20 | Rating: 6.96 ]
  • Groundplane antenna - Short guide to build your own groundplane antenna, includes radial measurements fro warc bands
    [ Hits: 5427 | Votes: 2 | Rating: 10 ]
  • Short radials for ground-plane antennas - Think your elevated radials always have to be full size? N6LF lets you in on some great ideas to lessen the “wingspan” of radials, especially near the beach.
    [ Hits: 2343 | Votes: 1 | Rating: 8 ]
  • 6 meters band Half Wave vertical - 1/2wave vertical antenna for the 6-meterband and a 5/8 ground plane antenna for 50 Mhz
    [ Hits: 3061 | Votes: 1 | Rating: 8 ]
Technical Reference : Beacon keyers
  • N7KSB Milliwatt transmitter - N7KSB used this 1/2 watt CW transmitter, with a roof-mounted ground-plane antenna to work all continents and over 30 countries
    [ Hits: 3006 | Votes: 4 | Rating: 6 ]
Technical Reference : Grounding
  • Grounding Concepts - What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops
    [ Hits: 2667 | Votes: 7 | Rating: 8.1 ]

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