[Lowfer] Mid day EAR

[wa3tts at verizon.net]

JB & All:   Mid-day EAR shown with SNR -55.7 and average background SNR -77.2  for ~  21.5 dB above average background noise as shown captured.
At different points in time over a 5 minute period I obsevred best EAR at -55.1 and best avg background noise at -78.0 for 22.9 SNR There is a trace signal
around 188.34~.35 detracting from the avg background SNR value...

https://www.dropbox.com/s/8oh6rqcnj547kwp/earm1420.jpg?dl=0


On my NW EWE antenna 500Hz CW filter, slow AGC...Asus T101HA Tablet PC powered with 5V DC linear supply...SYBA 24bit USB sound dongle with
Wurth Electronik USB filter (829999STICK).  After switching my decoding computers to DC power, it was able to further reduce my observed residence AC line noise. It
seems my TiVo player was drawng .4A at 120V 24/7 and generating a fair amount of LF/MF noise which I beleive ends up on the elevated radials of my HF vertical...

So I have been building LF/MF/HF AC line filters as time allows...
https://www.dropbox.com/s/81zypf7xe0hqn2x/ACLINEFL.jpg?dl=0

Seems to be helping on 2200m and 630m wspr2 decoding the past few weeks

73, Mike wa3tts