Sounds like both of your ideas are good ones to try first. One other suggestion is to change from a gamma to an omega match. You're pretty close now so if the snow and cold doesn't impede your trips to the tower you ought to make that amp happy w/o too much problem
Howard..K2HK > From: [email protected] > To: [email protected]; [email protected] > Date: Sun, 11 Dec 2011 12:21:56 -0500 > Subject: Topband: Changes To My Shunt Fed Tower > > > > My match on the tower went from 1.0 x 1. To 1.9 x 1 after I installed the > new antenna. In terms of loss, this isn't a huge change but my amplifier > doesn't like the change. Before I spend a lot of time running back and > forth to the tower making random changes, any thoughts as to what I can do > to improve the match. I'm currently using one series capacitor 1000PF for > the matching network. I have attempted to adjust this capacitor but it > looks like the 1.9 x 1 is the low point. Perhaps some thoughts - increase > or decrease the spacing of the shunt wire? Move the connection up or down > on the tower? > > Before I get to crazy, just wanted to look to the base of knowledge on this > reflector for your input. > > 73 and tnx in advance. > > Bob K3UL > > > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK
