[NJARC] Antennas, Old Ham Radios :)

[Scott Roberts]

Correction- 1/4 wave 40M, 1/2 wave 20M...

Oh- and I was picking up WWV on all three receivers(still working on BC-348P & SX-16)

Scott


--- On Sun, 11/30/08, Scott Roberts <ng19delta at yahoo.com> wrote:

> From: Scott Roberts <ng19delta at yahoo.com>
> Subject: [NJARC] Antennas, Old Ham Radios :)
> To: "NJARC Radio Club" <njarc at mailman.qth.net>
> Date: Sunday, November 30, 2008, 11:05 PM
> Visit our web site - See http://www.njarc.org
> _______________________________________________
> Well, Friday I finally got a chance to mess about with my
> alz-whire antenna in the attic. I haven't done so in
> quite a while- it was hot up there in the summer. Anyway, I
> trimmed back my 2nd antenna, which parallels my initial
> antenna. Both are a split dipole arrangement, and now both
> are about 32 feet long. One feeds the workshop, the other
> feeds the living room(upstairs) ham desk. Rough figuring
> puts that about 1/4 wave for 40M, and 1/2 wave for 80...
> However, it runs east-west, and is fixed. I was picking up
> the AWA 80M net this afternoon, very nicely, on the BC-348Q.
> Now both antennas are twin, I imagine one will be acting as
> a reflector for the other...
> 
> I have a few questions- 
> 
> 1.Should I have a balun at the antenna end of the feedline
> as well as at the radio end? I am running RG-59/U currently,
> feeding directly at the antenna, and going through a balun
> at the radio(s).
> 
> 2. Would it be better to run ladder line than the RG-59/U?
> 
> 3. Is it better to use a center fed dipole, or an end fed,
> for attic work? 
> 
> At this point, if I can get the antenna sorted out
> properly, I would like to use it for transmitting also. My
> thoughts are to run more wires up there- Actually, other
> than the test antenna(which feeds the workshop room) I think
> I could put a couple runs in, and orient them in four
> different directions- N-S, E-W, NW-SE, and NE-SW. I am also
> thinking of putting a couple different length runs in- I
> have about 35' in any given direction, wall to wall, to
> work with. There are no concerns with accessibility, because
> the attic area is useless- it is a pre-fab house, and they
> have these high-pitchy roofs with lots of wooden
> substructure supporting it, and 2' deep fluff
> insulation, so it can't be used as a storage area. Thus
> there is no reason to worry about a bunch of wires being
> strung about the place. This is about all I can do at the
> moment, as putting up an outside antenna will probably be a
> problem, because of the neighborhood association rules,
> etc... I
>  probably could put up a simple one, but haven't gotten
> that too looked into yet.
> 
> I have been researching this- just thought I'd see what
> you guys had to say...
> 
> Comments, answers, etc, requested!
> 
> Thanks!
> Happy Holidays!
> 73
> Scott
> KC2TYV
> 
> 
> 
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