[TMC] GPR-90 RXD Tuning

GRANT YOUNGMAN nq5t at tx.rr.com
Thu Mar 13 13:43:13 EDT 2014


> 
>    Its interesting that most, if not all, of the modern "rice boxes" have resistive attenuators on the input.  Can make a big difference.  

I used to own a Galaxy R-530 and an R-1530.  Don’t have them anymore, but my recollection is that the front panel attenuator was literally a pot across the antenna input — or at least somewhere in the path between the antenna and the 1st RF stage.  Definitely brute force … 

Grant NQ5T




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