[TowerTalk] 40-10 meter wire antenna

[Wes Stewart]

The problem with this "logic" is that the gain increase in favored directions 
comes at the expense of gain in non-favored directions.  With a stationary 
antenna, "gain" might not be a blessing.  Personally, I would (and do) use fan 
dipoles in an inverted-vee configuration.  Halfwave resonance gives the expected 
broadside pattern and the vee configuration "fills in" the vertically polarized 
pattern off the ends.  The feedpoint Z is also reasonable and not some 
intractable value that requires heroic measures to match.  If you don't want 
multiple dipoles, use traps.

My 2 cents.

   On 1/31/2017 5:50 PM, Herbert Schoenbohm wrote:
> Fed with open wire or ladder-line your 20 meter performance will be 2 half 
> waves in phase and when properly matched is supposed to give you 3 db 
> improvement broadside to the wire.
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> Herb, KV4FZ
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>
> On 1/31/2017 7:51 PM, Dick NY1E wrote:
>> I'm in a limited space location, I'm looking for a wire antenna to use on 
>> 40-10 meters. The handbook says a 40m dipole fed with ladder line will be 2 
>> half waves in phase on 20, and have 1.8 db gain. My coax fed 20m dipole is 
>> 10db better than my coax fed 40m dipole on 20, will open wire feeders and a 
>> tuner really improve it that much?de Dick NY1E
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