russ wrote:
> Jim and the group,
> We have the TKR-850 ver. 2 running at 40 watts
> in the Com van and feeding a DB 408 using TX/RX station duplexer works fine.
> In the same rack is a TKR-750 (147) and a Maggiore R-1 (222) they all work
> just fine and do not bother each outer at all.
> Why would you have to run the TKR-850 on low power?
> 73 Russ, W3CH
Running that much power in a communications van *WILL, REPEAT, WILL*,
cause interference to other radios in the van, and is TOTALLY
UNECESSARY! 10-20 watts is PLENTY for a 'portable' repeater.
And in most communcation van environments, there is not enough room for
anything the size of a 2M or even a 220 duplexer. A 10 watt UHF repeater
in a communcations van with a 3dB gain antenna on 30' to 60' of mast is
quite adequate for anything you would need a repeater in a comm-van for.
If you need more coverage then that, you need to deploy more then just a
comm-van anyway.
Of the active comm-vans I am familiar with, only one has a repeater on
board, and it never gets used in a response, cause it usually causes
more problems then it cures, to the extent that they are thinking of
pulling it.
--
Jim Barbour
WD8CHL
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