re: Hard line duplexer piston cap info Of course I couldn't easily find the 6 meter hard line duplexer piston capacitor construction information while typing my last post... and one minute later it turned up:
http://k5jmp.us/Six_Meter_Heliax_and_Helical_Duplexer_info/6m_duplexer_page.htm Credit is properly given to Brian - G4UTM for the "roll your own" piston cap that works very well. For the http://www.gb3fh.eclipse.co.uk/technical.htm repeater system. cheers, skipp