Topband: Signal pickup mystery

2012-03-11 Thread Pete Smith N4ZR
Please pardon my repeating myself, but this thing has really got me buffaloed, and I've found that this is the place where the most knowledgeable people about this sort of thing hang out I am feeding DC down my feedline to the ARR preamp in the RX antenna hub, and also to the relays and the

Topband: Signal pickup mystery

2012-03-11 Thread Lee K7TJR
Hello Pete, Now here's the mysterious part. If I remove the DC power from the preamp, the 20-meter signals drop from S9 to barely audible. This is also noticeable, but just barely, on the 1550 KHz signal. Is it possible that the preamp, which is between the feedline and the primary of the

Re: Topband: Signal pickup mystery

2012-03-11 Thread Pete Smith N4ZR
Replies interspersed - thanks for all the ideas. 73, Pete N4ZR The World Contest Station Database, updated daily at www.conteststations.com The Reverse Beacon Network at http://reversebeacon.net, blog at reversebeacon.blogspot.com, spots at telnet.reversebeacon.net, port 7000 and