Radio Mobile

Radio Mobile

by Roger Coudé, VE2DBE.

http://www.ve2dbe.com/english1.html

This is a Radio Propagation simulation program which operates over the frequency range of 20MHz to 20GHz. It is based on the ITS (Longley-Rice) propagation model. The program enables maps to be drawn of specified areas using downloaded SRTM data from the Space Shuttle Radar Terrain Mapping Mission, elevation contours and roads to be added, then Units (stations) can be placed where required. Individual Unit performances can be specified for power, sensitivity, antenna parameters etc. and all Radio Links examined for path profile and signal parameters. Signal coverage patterns can be produced for each separate unit if required. The 'Best Sites' to provide radio coverage to a number of specified unit locations can also be found. The performance of a radio unit which is traversing a defined route on the map can also be generated by the new 'Route Radio Coverage' feature. It is also possible to find the 'Best Unit' from a selection to give the maximum signal level at a defined location.

Practical Performance:

April 2006 - Site testing of locations generated by 'Find Best Sites' utilising the Waypoints used in the new Route Radio Coverage feature, showed an incredible consistency with the predicted performance! This was confirmed during the two events covered by these Relay sites in April and May.

Many new features have been added to the program since 2003, which enable faster evaluations of radio networks and scenarios to be tested before trying out on the ground.

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