Topband: Topband-related RF design website

[donovanf at starpower.net]

I just discovered the IN3OTD website which is a nice complement 
the other RF design websites familiar to topband station builders. 





Detailed performance measurements of various transformers 
commonly used in topband receiving antennas: 


http://www.qsl.net/in3otd/ham_radio/160m_transformers/160m_trafos.html 





Detailed performance measurements of various common mode choke configurations: 


http://www.qsl.net/in3otd/ham_radio/CM_chokes/CM_chokes.html 


73 
Frank 
W3LPL