[K3PZN-List] Quick Question

[Bill Mellema]

Bill:

There are many good publications that cover this subject very well. The 
ARRL Handbook and Antenna Book are two that I have in the shack. Both of 
these may be available in the club's library or if not I can loan them to 
you. Antennas and feedlines are interesting.

Best 73's

Bill N3WM









At 10:15 AM 8/19/2005, Curt Milton wrote:
>Very brief answer - it depends!
>
>Two factors.
>
>1. need to consider coax loss versus frequency.  yes
>often the larger diameter coax has lower loss, but ...
>
>2. at high enough frequencies the coax will no longer
>behave as coax, meaning it will have higher order
>modes.  i dont know how high you are going in
>frequency.
>
>coax cable parameters will give info on loss vs. freq,
>and highest useful frequency.  another aspect to watch
>out for is power handling.  if you are at a total loss
>where to find coax data, let the list know what you
>are looking for.
>
>73, curt
>
>
>--- "Neeriemer, Bill (NIH/NLM/LHC)"
><bneeriemer at mail.nih.gov> wrote:
>
> > I can never remember this factoid:
> >
> > As frequency increases, thin coax loss increases,
> > and so you should use
> > thick coax.
> >
> > Right???
> >
> > 73 Bill W3STG
> >
> >
> >
> >
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