My 450 ohm system is new. After I've used it for a few weeks I'll put up
something on the list. My initial impression is that its more stable in that
moisture and/or wind whipping the line around seem to effect the tuning of the
antenna less.
Tom
Tom Brennan KD5VIJ, CCC-A/SLP
web page http://titan.sfasu.edu/~g_brennantg/sonicpage.html