4 square

4 square

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• 40 meter 4-square antenna - A permanent working 40 meter system based on a 4-square antenna
  [ Hits: 7868 | Votes: 3 | Rating: 4.33 ]

• W7AV 40 Meter Half Square - These antennas offer big gun DX performance on the low bands, yet they are surprisingly simple to build. Try one- you will like it!
  [ Hits: 4048 | Votes: 4 | Rating: 6.25 ]
• Multi-Band Super Mini Loop Antenna - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
  [ Hits: 23212 | Votes: 8 | Rating: 6.95 ]

• 6M Square Copper Dipole - Here is the parts list and dim. sheet for a 6m Square Copper Dipole, made from copper water pipe
  [ Hits: 3780 | Votes: 2 | Rating: 5.5 ]

• 80/75 Meter 4-Square Array - This array has been in use since 1989. The SWR from 3.5 to 3.9 is below 1.5:1. The F/R of the array is 20dB average and with some signals even better.
  [ Hits: 2286 | Votes: 1 | Rating: 10 ]

• 4 Square Vertical Phased Array - Improve your 80 and 160 meter signal without a Yagi!
  [ Hits: 16770 | Votes: 9 | Rating: 4.89 ]
• Four square phased verticals - This page is a short description of the four phased verticals system i've build and used. It is primarily intendend to be used on the lower bands 160m, 80m, 40m.
  [ Hits: 3258 | Votes: 16 | Rating: 6.76 ]
• Receive 4 square antenna - N6RK receive 4 square antenna with transformer coupled antennas and true hibrid combiner
  [ Hits: 1680 | Votes: 1 | Rating: 7 ]

• Cheap antenna to make from 160m - 6m  ^pop - The antenna is nothing more than a simple 2.4 metre square loop drawing pinned to the internal brick wall of the spare bedroom. Yep, thats right, the inside wall of the spare bedroom - ideal for flat dwellers, hotel rooms or whinging neighbours, The loop has a simple switched inductance at the top of the square loop and uses a simple coaxial stub to tune the antenna. An additional variable capacitor placed across the feedpoint can be used to fine tune the resonance of the antenna, by Andy G0FTD
  [ Hits: 46513 | Votes: 28 | Rating: 7.61 ]

• Length of a Resonant Square Quad Loop - Calculating the length of a resonant square quad loop
  [ Hits: 1033 | Votes: 1 | Rating: 10 ]

• GSM1800 Moxon Square Antenna - EB4EQA's Projects GSM1800 moxon square antenna
  [ Hits: 2020 | Votes: 1 | Rating: 10 ]

• The Half Square vs the Loop Skywire - by Jim Stafford, W4QO appeared in QRP Quarterly, Fall, 2006
  [ Hits: 756 | Votes: 0 | Rating: 0 ]

• N9YDZ Beacon - N9ydz beacon brighton, illinois, grid square em48 on 28.210 Mhz
  [ Hits: 290 | Votes: 1 | Rating: 10 ]

• South Alabama Radio Club -- WC4M - The South Alabama Radio Club is located in Covington County, Alabama in grid square EM61
  [ Hits: 649 | Votes: 0 | Rating: 0 ]

• wb4bcr Receive 4 Square Control Unit - Build a Receive 4 Square Array! Make your own 160 meter 4 square receive antenna.
  [ Hits: 739 | Votes: 1 | Rating: 1 ]

• K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns
  [ Hits: 4429 | Votes: 8 | Rating: 7.88 ]

• JF9EXF Ham Maps - Interactive maps for WAC continents, CQ zones, ITU zones & regions, Grid squares, Beam map & Japan districts
  [ Hits: 16195 | Votes: 30 | Rating: 7.21 ]
• Amateur Radio Map of Italy - Map of italy with amateur radio prefixes and grid squares
  [ Hits: 2433 | Votes: 2 | Rating: 4.5 ]

• HamGrids - Windows application that will allow you to perform calculations with the popular Maidenhead Grid Square system. This grid system is used worldwide by amateur radio operators for many aspects of ham radio.
  [ Hits: 11013 | Votes: 7 | Rating: 6.85 ]

• Qgrid - Maidenhead grid squares calculator, and bearing and distance program
  [ Hits: 3143 | Votes: 2 | Rating: 7 ]

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