four square


Search Results for "four square"

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Antennas : 160M

  • TX Four Square Antenna - A 220-ft tower that has five catenary lines, each about 500 feet long. Four of these lines, running NE, SE, SW, and NW support four 1/4-wavelength wire verticals used in a 160-meter four-square antenna.
    [ Hits: 621 | Votes: 0 | Rating: 0.00 ]
Antennas : 80M Antennas : Vertical
  • Four square phased verticals - TK5EDP 4 square phased vertical system in corse isl.
    [ Hits: 2885 | Votes: 15 | Rating: 6.54 ]
  • 4 Square vertical system - This page is a short description of the four phased verticals system for 160m 80m and 40m
    [ Hits: 179 | Votes: 0 | Rating: 0.00 ]
Antennas : Wire Operating Aids : Grid Squares
  • WorkedGrids - WorkedGrids is a Windows application that displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program. WorkedGrids uses colors to display information on a per-band basis. Up to four bands can be displayed concurrently by VE2ZAZ Bert
    [ Hits: 1282 | Votes: 0 | Rating: 0.00 ]
Software : Spectrum analyzers
  • PSELab freeware - PSELab is a freeware Windows application useful to estimate power spectrum and short-time spectral distribution of signals. The application uses periodogram, least squares Prony, Burg, covariance, MUSIC and some other methods. To estimate short-time spectral distribution, the application uses short Time Fourier transform, pseudo-Wigner-Ville transform, least squares Prony, Burg, covariance, MUSIC and some other methods.
    [ Hits: 456 | Votes: 3 | Rating: 10.00 ]
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