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DX Atlas 2.25


Electronic world atlas for radio amateurs. Scrollable world map with smooth zoom, dxcc territories, province/state prefixes, grid squares, cq and itu zones
post 30 Jan 2024
DX Atlas 2.25

Grid Software Links

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Great Circle Calculator
calculator of bearing and distances

MU-Locator
This program searches a prefix or country in a database

Palm Globe A World Globe for Palm OS
Palm Globe is a program which displays the Earth as a globe


Take off angle of horizontal antenna

Take off angle of horizontal antenna For horizontal polarization, the electric field will move sideways on a horizontal plane, while for vertical polarization it will oscillate up and down on a vertical plane

Rx antennas 4Square Rx Vertical Array

Rx antennas 4Square Rx Vertical Array My frequency design of 1.825 MHz a 90 degrees line would be 33,70 metersinstead of the previously calculated 33,27 m

Calculo da Antena Bazooka

Calculo da Antena Bazooka A double bazooka antenna is a combination that has a complete coaxial wave multiplied by its velocity factor and a total end-to-end length of 1/4 wave for each side affected by another driver shortening facto