[MRCA] Fw: MRCA Meet and AS-2259

ersmar at comcast.net ersmar at comcast.net
Thu Oct 6 14:50:49 EDT 2005


Al:

     I tried sending this first from my work e-mail account.  Didn't make it
through (no surprise there.)

73 de
Gene Smar  AD3F


>
> Al:
>
>       Here's my posting and one reply regarding the AS-2259/NVIS antenna
we
> used
> over the weekend at MRCA.  Apparently most -2259's are designed to look
and
> operate like two crossed dipoles - long and short leg on each connector,
NOT
> the
> way yours is set up.  Did you get yours from another Ham who might have
> reconfigured the wires?  Are you sure the wires on each terminal are the
> same
> length?  (To me they LOOKED like they were the same length - one pair
almost
> twice as l ong as the other pair.)
>
>
> Gents:
>
>      I want to add my thanks to the organizers and presenters at the
Gilbert
> meet this weekend.  This is the first year I was able to join for the
field
> activity in the mountains and I had a blast.  Hopefully, next year I'll be
> able
> to add a bit to our experimentation with a Ham-bands only NVIS system.
>
> BCNU.
>
> 73 de
> Gene Smar  AD3F
>
>
>
> ----------------------  Forwarded Message:  ---------------------
> From:    "John Vendely" <jvendely at cfl.rr.com>
> To:      <ersmar at comcast.net>
> Subject: Re: [Milsurplus] AS-2259 Conundrum
> Date:    Mon, 26 Sep 2005 12:37:29 +0000
>
> Gene,
>
> I recently installed one of these antennas for an emergency communications
> net supporting disaster relief in the aftermath of hurricane Katrina.  THe
> antenna was brand new, and was configured with one short and one long wire
> connected to each terminal.  I've used several of these over the years,
and
> have never seen the configuration you describe.  BTW, if you have the
> antenna base with the integral matching transformer, watch out- they're
> rated for low power only, and won't handle over 30 watts or so.  With
> antenna coupler fed directly to the coaxial mast, however, the antenna is
> rated to 1 kW.
>
> 73,
>
> John K9WT
>
> ----- Original Message -----
> From: <ersmar at comcast.net>
> To: <milsurplus at mailman.qth.net>
> Sent: Sunday, September 25, 2005 6:46 PM
> Subject: [Milsurplus] AS-2259 Conundrum
>
>
> > Gents:
> >
> >      This weekend I helped assemble and operate an AS-2259 NVIS antenna
> system.  It is puzzlement.   Can someone explain it to me?  Here's my
> problem with it.
> >
> >      Before seeing this unit, I had always thought that the two dipole
> wire sets were connected one short leg and one long leg to the center of
the
> coax support pipe and one short leg and one long leg to the shield.  You
> know- just the way we Hams would connect two crossed dipole inverted V's
for
> 40 and 80 to a single coax feed line/balun.
> >
> >      But Nooooooo.   On the unit we had, the two short wires were BOTH
> connected to the center conductor and the two long wires were BOTH
connected
> to the shield.  I concluded that we could correct this obvious error by
> relocating one short and one long wire to opposite connectors.  However,
all
> four wire ends had small brass collars crimped to them where the tips
> emerged from the opposite side of the connector.  (See
> http://www.co.missoula.mt.us/acs/radios/AS-2259%20antenna.htm , third
photo
> down.)  We couldn't remove the wires from their connectors at the top of
the
> mast.
> >
> >      Did we erect a -2259 that was hosed up by the last Ham who owned
it,
> or did it come that way from the Government surplus source?  I can't help
> but think that the reports of poor operation on the Ham bands are due in
> some part to this counter-intuitive configuration.
> >
> >      Thanks for any insight or inuendo.
> >
> > 73 de
> > Gene Smar  AD3F
> > P.S.  We made zero Q's on either 80 AM or 40 CW with our GRC-9 and this
> beast.
> > ______________________________________________________________
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> >
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