View Single Post
  #3   Report Post  
Old February 20th 05, 01:33 AM
jimbo
 
Posts: n/a
Default

Thanks for your reply.

Well, for example, if I wanted a chance on 40-160 meters, I would need
a fairly long dipole, maybe 80 feet on each "wing". But maybe a square
"loop" with four turns only 10 feet on a side would also work?

jimbo

Richard Clark wrote:
On 19 Feb 2005 16:39:02 -0800, "jimbo" wrote:

Is a loop antenna a way to get a "long" antenna in limited space? I

am
having a hard time finding detailed information on loop antennas. I
have seen some references to using a long wire, but making several
loops which requires much less space.


Hi OM,

That is one way, but if you mean making several turns (loops?) the
topic will become muddied by what is meant by "loops."

And the second question is about feed lines. Could I connect 450 ohm
ladder line to the ends of the loop(s) and then run it to a balanced
tuner in my shack?


Sure, no big deal, you run the same assortment of difficulties and
benefits, just at different frequencies.

Most references I have seen about loop antennas talk
about capacitors installed at the loop.


Ah! Now we are back in the mud of discussion. Those are SMALL

loops.
You know, like 1M across.

So, to avoid further difficulties, just what size of a loop are you
thinking? Loop OR dipole, offering the prospective size makes a
considerable difference to the accuracy of responses.

73's
Richard Clark, KB7QHC