[RFI] 160 Meter RFI
jim at audiosystemsgroup.com
Thu Dec 6 13:21:04 EST 2018
On 12/6/2018 8:00 AM, Hare, Ed W1RFI wrote:
> Could that also be changes in the video scene being radiated? In general, the power supply will be rather hummy and its frequency may drift. When I heard a plasma TV, it was very stable with frequency, but the nature of the sound changed with the video changes.
Absolutely. In the old days with analog TV, I could hear changes in the
noise in my radio as someone walked across a screen, or as a camera
panned across a studio or landscape. Likewise, I once had a laptop that
radiated trash that changed with what was on the screen.
73, Jim K9YC
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