[RFI] 6 meter birdies in DM13cv

Jim Brown jim at audiosystemsgroup.com
Tue Jun 19 14:03:05 PDT 2012

On 6/19/2012 1:03 PM, rick darwicki wrote:
> Hearing strange tone with peak about 50.457 mhz and birdies every 30.5 khz ±.

Sure. You're hearing harmonics of a digital clock, either for digital 
equipment, or a switching power supply.  VERY common.  The typical home 
has at least a couple dozen of them.

73, Jim K9YC

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