Sec. 80.771  Method of computing coverage.

    Compute the +17 dBu contour as follows:
    (a) Determine the effective antenna height above mean sea level 
according to the procedures in Secs. 80.757-80.761.
    (b) Determine the effective radiated power according to Sec. 80,765. 
Determine

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for each radial the distance from the antenna site to the +17 dBu point 
of field strength using procedures of Secs. 80.765 and 80.767.
    (c) Plot on a suitable map each point of +17 dBu field strength for 
all radials and draw the contour by connecting the adjacent points by a 
smooth curve.