[Towertalk] LPDAs...

n4kg@juno.com n4kg@juno.com
Thu, 14 Nov 2002 21:00:33 -0600


SO  WHAT?

IF you optimize an antenna for F/B it will NOT be optimized
for gain.

IF you optimize an antenna for GAIN, it will NOT be optimized
for F/B.

IF you optimize for SWR (assuming split dipole feed), 
it will not be optimzed for GAIN (or F/B).

EVERYTHING is a compromise.

Get over it.

Tom  N4KG

On Thu, 14 Nov 2002 22:38:55 -0000 "on4kj" <on4kj@skynet.be> writes:
> 
> The SteppIR can obviously be adjusted to make a beam pattern over an 
> octave or more, and to create a good match to its feedline, by
infinitely 
> varying all the element  length combinations; but it will never be
optimized 
> on more than one band because of the fixed element spacing.
> -------------------------------------------
> 
> Steve,
> 
> Why should one not  realize a boom with mobil elements.
> Its not impossible, just find a good team totake up the challenge.
> After all radio amateur activity is not only commercial business, 
> pseudo chicken band.
> What say !
> Jos on4kj
> 
> 
> 

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