[Antennas] Re: take-off angles...
Roy Koeppe
royanjoy at ncn.net
Fri Sep 8 11:12:05 EDT 2006
Doing a quick and dirty model in NEC gives the following:
160m - 25º
80m - 25º
60m - 24º
40m - 21º
30m - 19º
20m - 16º
17m* - 14º & 52º
15m* - 47º & 13º
12m* - 41º & 12º
10m * - 36º & 12º
Ground loss erosion out past the ends of the short radials on the lowest
bands listed will eat at those 'twenty-some' degree numbers. They will
effectively end up being more like 30-degrees--a good round average
number to use.
73, Roy K6XK
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