[MRCA] FS AS-2259 Antenna Base 1995AA

[MilComm Guy]

Antenna base is sold, thanks.

On Sat, Jul 13, 2019 at 3:28 PM Gene Smar via MRCA <mrca at mailman.qth.net>
wrote:

> A couple more items regarding the AS-2259 and similar:
>
> The as-designed AS-2259 has two crossed inverted Vee antenna wire sets
> that are resonant at approx. 6 and 9 Mc.  Accordingly, this configuration
> will need a matching circuit of some kind at its base for Ham use, as Breck
> advises at the link below.
>
> I wanted to use a similar inv Vee system for EmComm NVIS work, but my
> FT-857D didn't include a tuner and I didn't want to buy one.  So I
> redesigned the wire lengths to give me resonance in the 75M or 60M or 40 M
> bands.  Through EZNEC and empirical (cut-and-try) work, I found wire
> lengths that provided low SWR in these bands.  I don't have the final wire
> lengths in front of me but I would be glad to pass them along if anyone
> requests.
>
> As for performance, the homebrew version (above) works well on NVIS freqs
> and my -857D is happy.  Some of the folks at MRCA used it a few years ago
> at our Gilbert meet and also appreciated its effectiveness.  My version
> uses five of the fiberglass tent or camouflage poles that one can find on
> ePay or elsewhere.  The apex ends up at around 19 ft AGL.  The 75 M wires
> are pretty long (55 feet each, IIRC) so you will need more space to operate
> on that band than with the stock -2259.
>
>
> 73 de
> Gene Smar  AD3F
>
>
>
> -----Original Message-----
> From: mrca-bounces at mailman.qth.net [mailto:mrca-bounces at mailman.qth.net]
> On Behalf Of B. Smith
> Sent: Friday, July 12, 2019 7:10 PM
> To: mrca at mailman.qth.net
> Subject: Re: [MRCA] FS AS-2259 Antenna Base 1995AA
>
> We did some testing on the AS-2259 to include matching etc.
> http://k4che.com/AS-2259%20Notes/AS-2259%20Page%201.htm
> Z
>
>
>
>
> On 7/12/2019 6:00 PM, MilComm Guy wrote:
> > DSCN5126.JPG
> > DSCN5127.JPG
> >
> > On Fri, Jul 12, 2019 at 5:52 PM MilComm Guy <m38inmaine at gmail.com
> > <mailto:m38inmaine at gmail.com>> wrote:
> >
> >     Appears NOS selling as used, with CARC paint, mounting base for
> >     AS-2259 NVIS antenna, designed for low power pack set use.  $85
> >     shipped.
> >
> >     Thanks
> >     Mark
> >     K1HF
> >
> >
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