Like this?
https://www.youtube.com/watch?v=C-S5ef-Ne6Y
de AA5CT On Thursday, December 5, 2019, 7:26:01 AM CST, Gary Peterson
<kzerocx@rap.midco.net> wrote:
I was once able to definitely determine that a particular source of
interference was utility company related or a device connected to utility power.
I fed the receiver’s speaker output into an oscilloscope and set the sweep to
power line time base.
Because the noise spikes were synchronized with my home’s 60 Hz power, the
search for the source was narrowed a bit.
Gary
K0CX
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