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Roy Lewallen January 2nd 07 08:55 PM

Delta Loop Ideas Please
 
NomadW8 wrote:
A full wave 20 meter delta loop, fed with open wire, ladder line or
even TV twin lead & a tuner will load up on all bands 10-40 meters.

Performance on 10-20 will be good, 30 & 40 a little less so.

Terry
W8EJO


But then my dummy load will load up on all bands.

The question is, in what direction(s) and elevation angles will it
radiate on each band, and are those directions in which you want to talk
with someone?

Roy Lewallen, W7EL

NomadW8 January 2nd 07 09:34 PM

Delta Loop Ideas Please
 
Tell me the loop configuration (apex up or down), where it will be fed
along the circumference of the loop, local geography, nearby
structures, ground conductivity & height above ground & I'll give you a
rough idea.

Terry
W8EJO


Roy Lewallen wrote:
NomadW8 wrote:
A full wave 20 meter delta loop, fed with open wire, ladder line or
even TV twin lead & a tuner will load up on all bands 10-40 meters.

Performance on 10-20 will be good, 30 & 40 a little less so.

Terry
W8EJO


But then my dummy load will load up on all bands.

The question is, in what direction(s) and elevation angles will it
radiate on each band, and are those directions in which you want to talk
with someone?

Roy Lewallen, W7EL



Dr.Ace January 2nd 07 11:41 PM

Delta Loop Ideas Please
 
John,
There will be some interaction.
One small point. You will need to resonate the longest loop first and then
so on.
Another point , for 4 loops , you could use a stacking harness such as would
be used to stack 4 yagi beams . Then go from it to the 1/4 wave matching
sections. Just a thought.
Good Luck, Ace - WH2T

"John" wrote in message
...
I have been researching for a while now around the area of nested delta
loops. Thanks

John





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