Topband: 2.3 khz wide carrier on top band

Jim Brown jim at
Tue Mar 25 14:31:38 EDT 2014

On 3/25/2014 11:12 AM, W9HAK wrote:
> It's presently at 1.833 mhz and very slowly moving up the band. 

You've just described a switching power supply. The clue is that it 
drifts slowly. There's probably a hump of noise around it, but you may 
not notice it because it's random noise modulating the carrier. It's 
probably in a house quite close to you, perhaps even your own home. :)

73, Jim K9YC

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