[Lowfer] EAR and WM mid day QRSS30

[Michael Sapp]

JB, Mike & All:  Afternoon captures of EAR and WM at QRSS30, visual gain and contrast 30/30 on EAR and 50/50 on WM.

NW EWE antenna, 300kHz 9th order Butterworth LPF to single transistor 2N5109 preamp followed by 137 kHz diplexer to RAY6 mixer with +23 dBm LO drive. Diplexer has about

1.2 dB insertion loss at 185 kHz and about 12 dB insertion loss at 600 kHz...


https://www.dropbox.com/s/6ome527195rkfyx/EARD277.jpg?dl=0


https://www.dropbox.com/s/bcef03ahkht2ejv/WMD297.jpg?dl=0


I have a QRSS60 WM capture in progress at 40/40 gain settings, will post when complete.


Cold sky seems to be helping the signal path loss today...

73 Mike wa3tts