[TowerTalk] A3S

[K9MA]

My 1992 A3S (original Cushcraft, not MFJ), was always strange on 15 
meters. After taking it down, testing all the traps, and putting it back 
up, it seems even worse on that band, consistently 10-12 dB below the 
other tribander 20 feet above it. SWR is above 2:1 near the center of 
the band, well over 3:1 at 21.0. It works fine on 10 and 20. I've heard 
that the A3S has often had problems on 15. I've replaced, rebuilt, 
retuned, and tested all the 15m traps. (The MFJ replacement traps needed 
a lot of work.) There are no nearby metal guy wires or antennas. Has 
anyone seen similar problems and solved them? I'm about ready to scrap 
this antenna.

73,

Scott K9MA

-- 
Scott  K9MA

k9ma at sdellington.us