gp antenna

gp antenna

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• A Simple High-Performance Vertical Antenna - This article describes the details of the design, which can be easily scaled for just about any HF band. The antenna described in this article is for the 20 meters band.
  [ Hits: 666 | Votes: 3 | Rating: 9.67 ]

• GP Antenna for 1296 MHz - Quarter wave Ground Plane antenna for the 23 cm band, 1296 MHz.
  [ Hits: 65 | Votes: 1 | Rating: 10 ]

• 70MHz Quarter Wave GP Antenna - A homemade quarter wave ground plane anntenna for 4 meters band.
  [ Hits: 106 | Votes: 0 | Rating: 0 ]

• Yagi Uda Antenna Online Calculator  ^updated - A basic YAGI UDA online antenna calculator, accept as input frequency, number of elements, diameter of parasitic element and boom diameter. This online calculator will generate a basic design data including each element length and spacing.
  [ Hits: 110 | Votes: 3 | Rating: 7 ]

• Multiband portable wire antennas - Vertical end fed antenna used for portable operations. The antenna will work on 80 with acceptable results, it will work fine on 40m, and it will be a good deal better than a normal 1/4 wave GP on 20, 17, 15 meters.
  [ Hits: 187 | Votes: 0 | Rating: 0 ]

• HB9CV Online Antenna Calculator - Online HB9CV antenna calculator, accept as input the desired resonating frequency and provides dimensions for spacing and length of each element, including boom and radiator diameter.
  [ Hits: 217 | Votes: 4 | Rating: 10 ]

• Portable HF Antenna Options - Article on portable HF antenna where author diverge about antenna efficiency versus size based on his personal experience on using HF antennas during portable operations
  [ Hits: 174 | Votes: 2 | Rating: 4 ]

• HF Flagpole Antenna - Living in a no antenna deed restricted community sounds bad for a HAM, but it means you just need to be more creative. I have found this will not stop your DXCC activities and many of my local HAM club members will agree
  [ Hits: 377 | Votes: 2 | Rating: 8 ]

• Modified Ground Plane Antenna Adds Second Band - This article explains the trick of how to shorten and lengthen pairs of radials to make a 2-band ground plane antenna. Included is a "Table of Multi-Band Possibilities" covering the range of 6 to 40 meters.
  [ Hits: 53 | Votes: 0 | Rating: 0 ]

• Cantenna Calculator - Aka Circular Waveguide Antenna. This online antenna calculator let you plan your cantenna for the desired frequency of operation, giving the Can diameter you have available.
  [ Hits: 378 | Votes: 5 | Rating: 4 ]

• Buddipole Dipole Assembly - Rob, VK5SW shows the simple assembly of the portable Buddipole multiband dipole antenna.
  [ Hits: 91 | Votes: 0 | Rating: 0 ]

• Elecraft K2 Preselector Modification - Although most Preselectors are designed with an internal T/R relay, theoretically enabling direct insertion between the transceiver and the antenna, there is a problem when running CW, especially when running full QSK. The switching time of the internal relay is too slow to follow full QSK. The best way to avoid this problem altogether is to insert the Preselector directly into the transceiver’s RX antenna line, thus avoiding entirely the need to switch the Preselector in and out.
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• HamGPS - Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.
  [ Hits: 383 | Votes: 1 | Rating: 7 ]

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