OR maybe he used a simplex repeater controller on a duplex radio with the 2 antennas. Obviously it wasn't transmitting when it was receiving and wasn't receiving when it was transmitting....
HIHIHI Harold --- In [email protected], [EMAIL PROTECTED] wrote: > > > Like Vince said ... Tx power = 100uW / receiver sens 1V ... > > Neil - WA6KLA > > > ---- Original Message ---- > From: [EMAIL PROTECTED] > To: [email protected] > Subject: Re: [Repeater-Builder] Re: Good bye! > Date: Sun, 23 Apr 2006 19:30:38 -0700 > > >At 4/23/2006 17:58, you wrote: > >>There must have been a large metallic wall or screen between his 2 > >>antennas for his repeater to work without degradation with 25' > >>horizontal separation. Or else he had an amazing radio that > >>transmitted over 50dB less sideband noise and a front end made like > >a > >>crystal filter. > > > >One of my first repeaters (a Canadian Marconi, my only all-tube > >repeater) > >used two antennas about 50 ft. apart horizontally & 10 ft. > >vertically. One > >of the two antennas was a quagi nulled into the other omni antenna. > >Only > >filtering I had available was one pass cavity, which I placed on the > >TX. It barely worked: no desense but only if the quagi was perfectly > > > >nulled into the omni. > > > >Based on this experience, I'd say two omnis 25' horizonally & > >vertically > >separated using solid-state equipment probably wouldn't work without > >considerable desense. > > > >Bob NO6B > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
