[TowerTalk] guage of wire for 500 watt antenna?

Grant Saviers grants2 at pacbell.net
Sat Dec 2 22:50:54 EST 2017

If you can get vertical antennas within 1/2 RF wavelength of the tide 
line, you will outperform any dipole by many db's at low DX angles.  I 
used the longest MFJ telescopic whip and two tuned radials elevated 3' 
on 3 dxpeditions and had a great signal seaward for 20 thru 10.  One 
pair of radials with banana plug jumpers around insulators for 3 bands 
and the other set of radials for 2 bands.  I put up two of these 
verticals for faster band changes.   I used a SteppIR CrankIR with one 
radial for 40 and 80.  See "Verticals on the Beach - Some Modeling 
Results", QST June 2016.

Grant KZ1W

On 12/2/2017 14:00 PM, Gary Slagel via TowerTalk wrote:
> I'm hoping to get to Belize to work ARRL DX CW contest this year and I'd like to take my Elecraft KPA500/KAT500 and operate 500 watts. I will be at a friends house and not next to the ocean so I'm thinking of getting a doublet up in the air as far as I can on a fiberglass pole, feeding with 450 ohm ribbon and tuning it on 10 thru 40 and maybe 80M.
> The fiberglass pole won't take too much weight so I'd like to go as small as I can on the wire.   Any suggestions or input?
> Thanks, Gary KT0A
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