> Sounds like an exciter problem or duplexer/cavity filter tuning drift
> problem, not an amplifier problem. (Assuming you are using a duplexer in
the
> repeater)

Using DB-4062 WBC--- 6 can BP/BR.
Tuned per specs on 01-26-04
Duplexers actually measured at 1.8 db loss after tuning. The exciter power
is correct for that particular system. The TE amplifier is a 1452  ------ 
unit is in a non controlled temperature location.


> Have you checked the input power to the amp from the exciter device ??
> How are you measuring the output power in relation to the antenna ???
Before
> the duplexer or on the output of the duplexer.

Cable length, or any other changes did not affect the readings.
Power was same going direct to antenna or thru the cans. Maybe we can get
some warmer days and see what the output power change really is since the
duplexers have been retuned.


Thanks for the info.

Jimmy
NQ4U






 

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