[RFI] Noise...

Jim Brown jim at audiosystemsgroup.com
Thu Mar 13 01:04:27 EDT 2014


On 3/12/2014 8:43 PM, KD7JYK DM09 wrote:
> You mentioned an FT-817, have you checked on higher bands?

My Kenwood TH-F6A VHF/UHF talkie and Kenwood TM-D71A both have RX 
capability outside the ham bands, and both can be set for AM detection. 
Lately I've been bothered by noise that I suspect is coming from power 
lines, so I've programmed a half dozen memories inboth of those radios 
for AM detection at 160 MHz, 300 MHz, 400 MHz, and 524 MHz (chosen 
because that's where the high sensitivity mode in one of the radios 
falls off).

I've been driving around listening on 160 MHz, then when that noise gets 
loud, switching to increasingly higher frequencies to tell me when I'm 
close to the source. Now I have a pole number and address to give PG&E's 
RFI guy. It's 0.6 miles from my shack, and lines its noise is conducted 
onto are closer.

73, Jim K9YC




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