On Fri, 26 Sep 2003 23:01:19 -0400, "N4LQ" wrote:

For some reason you never see 30m dipoles in parallel with the rest. I
always suspected there must be a reason. Wonder what impedance 7 mhz would
see on a 10.1 mhz dipole?

The reason why is that 3.5 Mhz and 10.1 interact somewhat the 3rd
harmonic of 3.5 is 10.5 close enough to give tuning problems. at
least that is what i've found here.. you can minimize the interaction
by placing the 10.1 mhz element at Right angles to the 3.5 mhz
element.. and it may take careful tuning of both bands to get it
acceptible.

73 Dave Kc1di