On 6/13/2020 9:13 AM, Phil Kane wrote:
No EMI that I can
detect by on-off testing (there's plenty from other nearby sources).
Phil,
Did you unplug the wall wart (or the monitor) from the wall? That PSU,
whether external or built into the monitor, usually a major noise source.
ALWAYS, when offering (or evaluating) advice about whether some device
is noisy, consider the possibility that the noise it produces is covered
by noise from other sources in your home and in your neighbors's homes.
Also consider proximity to ANTENNAS, not to the shack.
I work a lot of FT8 on 160M to work DX and on 6M to work new grids. The
signal report is the signal to noise ratio. I run legal limit to very
good antennas on both bands, and I regularly receive reports that are at
least 10 dB worse than I give, telling me that most hams have horrendous
noise levels.
73, Jim K9YC
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