[Antennas] 2 meter antenna

Charles Greene [email protected]
Tue, 23 Jul 2002 15:39:21 -0400


At 08:09 AM 7/23/2002 -0400, [email protected] wrote:
>Then would the antenna be "directional" if with a long wire the radiation
>is off of the ends?

Depending upon the length, it can have four major lobes and several minor 
lobes.  The longer the antenna in terms of wave lengths, the more the major 
lobes approach the axis of the wire, the narrower they get, and the more 
gain they have in these lobe.  Check the reference.

>
>
>
>On Tue, 23 Jul 2002 07:27:26 -0400 Charles Greene <[email protected]> writes:
> > Sean,
> >
> > The gain would be along the axis of antenna.  If you make the axis
> > vertical, the gain would be vertical, up and down.  Ok for a
> > satellite,
> > overhead.  Check the ARRL Handbook, or ARRL Antenna Handbook for the
> > gain
> > pattern of a long wire.
> >
> >
> > At 02:19 AM 7/23/2002 +0000, [email protected] wrote:
> > >Here is one of those dumb questions...
> > >
> > >Let's say I make a vertical long wire for 2 meters?  I attach the
> > braid of
> > >the coax to a 1/4 wave vertical facing down and attach the center
> > >conductor to a vertical long wire perhaps, let's say, 40 feet long
> > (or
> > >high) to the top of a tree.  Has anyone tried it?  It could be
> > several
> > >wave lengths long...   If I can match it to the 2 meter rig, and
> > provide
> > >some decent height, would it work?  What kind of gain would I
> > realize?
> >
> >
> > 73, Chas, W1CG
> > K2 #462
> >
> >
> >
>
>
>Sean
>WD8OKN
>Midland, MI
>www.qsl.net/wd8okn
>
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73, Chas, W1CG
K2 #462