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Old 9th Jul 2020, 5:45 am   #40
arjoll
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Join Date: May 2006
Location: Invercargill, New Zealand
Posts: 3,440
Default Re: FM signal boosting

Quote:
Originally Posted by paulsherwin View Post
75 miles is a very big distance for FM, even with a good external aerial and a big transmitter.
I've just done a quick calculation, that's 120km.

The Life FM Mid Dome site is 110km from here, 33 dBW (around 2 kW) EIRP and I'm getting a pretty good signal here from a 3 element yagi, cut down from our old band I/III TV aerial. It's ok around town in a car as well, but a bit of fade sometimes behind tall buildings.

Reception on portable radios can be a little hit and miss but it still works.

I suspect the difference is that Mid Dome is 1478m ASL and a clear line of sight.
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