Preliminary:? Showing only the nanoVNA marker data, more details to come later.
K9DP????????????????????????????????????????????????????????????????????????????????????? N4ELS
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Compare S21 Gain at Marker 1 and Marker 2:? ~.55 MHz to ~1.6MHz
K9DP -45.8dB to -2.36dB??????????????????????? ? ? ? ? ? ? ? ? ? ? ? ?? ???? N4ELS? -73.7dB to -40dB
Recall that -30dB is a factor of 1000 and -40dB 10,000
AKA K9DP BCI HP Filter kit????????????????????????????????????? AKA QRPme BCI HP Filter Kit
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