[TowerTalk] Fwd: balanced line loss on a mismatched antenna

K8RI K8RI-on-TowerTalk at tm.net
Thu Mar 1 10:03:06 PST 2012


On 3/1/2012 3:31 AM, Steve Hunt wrote:
> The ARRL Antenna Book has a section on "Resonance in Guy Wires" which
> includes a chart of lengths to avoid for the eight HF amateur bands.
>   From that chart, 26ft would be a **good choice** to avoid problems on
> every band except 17m.

I just start out at the top with about 3', then 6' then 12', etc... give 
or take.  IE, I never have measured them.  The top tier come away so 
steep I doubt they have much effect. by the time they are of significant 
lengthy they are well away from the antennas. Then again, I've not used 
conductive guys in over a decade. OTOH I hang 160, 75, and 40 meter 
slopers off the tower about 12 to 15 feet below the tribander and 30 
feet below the 7L 6-meter Yagi.

73

Roger (K8RI)




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