[RFI] RFI Identification Help

David Robbins k1ttt at verizon.net
Mon Nov 11 11:37:27 EST 2013


we could all reply and list all sorts of things that it might be... anything from an electric blanket for someone who works night shifts, to a bad ballast on a grow light that happens to be on during the day... the problem is that conjecture about what is making any specific buzzing noise gives you a list of possible things to look for that may or may not include the culprit, but it doesn't find the problem, you still have to go searching for it.  where if you start out by searching for it, once you find it then you KNOW what it is and can take the next step to get rid of it.



Nov 11, 2013 11:27:29 AM, af5cc at fidmail.com wrote:

I have an RFI problem that mostly shows up during the day, and affects most 
bands, although I notice it most on 15 and 12 meters as I am on those bands 
more during the day. It is a buzzing type noise that comes in around S6 or 
so on my Icom 706MKII, and the NB won't do anything about it. It doesn't 
show up all of the time, but comes and goes, It seems to cycle with 4 
seconds on and 3 seconds off, and sometimes will cycle quicker than that. 
Anyone else seen an RFI issue like this and have any idea what it might be? 
It doesn't seem to occur at night.

73 John AF5CC 

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