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

