RE: [digitalradio] Open wire feed line length

2008-07-02 Thread Bob Donnell
[digitalradio] Open wire feed line length I have used that multiband antenna configuration both at my home station (140' doublet, 450 ohm ladder line, 1500 watts) and when travelling (70' doublet, 300 ohm TV twinlead, 100 watts). My experience: 1. Balanced tuners (e.g. the Johnson

RE: [digitalradio] Open wire feed line length

2008-07-02 Thread Dave AA6YQ
I have used that multiband antenna configuration both at my home station (140' doublet, 450 ohm ladder line, 1500 watts) and when travelling (70' doublet, 300 ohm TV twinlead, 100 watts). My experience: 1. Balanced tuners (e.g. the Johnson Matchbox) work better than an unbalanced tuner and a balun