On Thu, 28 May 2009, wb8art wrote:
> Thanks Eric, That is exactly what I was needing to know. This will 
> give us a good starting point and since it is looking to run only 35 
> watts it should be OK.  That is better than I expected.  Anyway I 
> believe it, (the duplexer) is only rated at 50 watts.

> > Can some one with one of those fancy programs like Comm-Shop run it 
> > and tell me the max power a Exec II on UHF ham band run with a 75 
> > isolation mobile duplexer. Assuming that the coax and ant are a 
> > ideal setup.

Assuming the repeater is mobile, one shouldn't need more than a decent 
location and 5-15 watts of power, 25 watts on the high-side. If you go 
to 10W instead of 100W, you only need 64 dB of isolation given the other 
person's calculation.

--
Kris Kirby, KE4AHR
Disinformation Analyst

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