[TowerTalk] antenna choices

Jim Brown jim at audiosystemsgroup.com
Sun Apr 12 14:00:02 EDT 2015


On Sun,4/12/2015 6:05 AM, Benedikt Sveinsson wrote:
> On the air, the OB9-5 performs so much better than the TH7DX - that is my feeling albeit bit subjective - It seems to have  much lower angle of radiation.

Your "feeling" about angle of radiation is WRONG -- angle of radiation 
of a horizontal antenna is determined entirely by mounting height and 
your terrain. Any difference in performance is the result of efficiency 
and the antenna's design. Your other comments make sense. :)

73, Jim K9YC


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