[MRCA] Able Archer 83 AAR

Scott Pastor scottpastor at gmail.com
Tue Oct 24 12:46:40 EDT 2023


Ray, perfect, thanks very much.

So does the radio use the frame and chassis of the M151 as the
counterpoise, or are there other provisions?

73/kc8kbk

On Tue, Oct 24, 2023 at 10:14 AM Ray Fantini <RAFANTINI at salisbury.edu>
wrote:

> The stock antenna for the GRC-106 in a M151 is a AN/GRA-50 It has three
> MS-116A, a MS-118A and MS-117A mast Sections and uses a AB-652 base.
>
> The GRC-106 has two antenna connections, the first is a N connector for 50
> Ohm loads and the second is a high impedance connection for use with that
> antenna. There is a lot of misunderstanding about the antenna tuner in the
> 106, by design it only works with fifty Ohm or that one type of antenna and
> was never intended as a broad antenna tuner. The whip antenna settles down
> and works well on high frequencies but can be squirrely on the low bands
> like eighty meters.
>
>
>
> Ray F/KA3EKH
>
>
>
>
>
> *From:* Scott Pastor <scottpastor at gmail.com>
> *Sent:* Tuesday, October 24, 2023 8:46 AM
> *To:* Ray Fantini <RAFANTINI at salisbury.edu>
> *Cc:* MMRCG at groups.io; mrca at mailman.qth.net
> *Subject:* Re: [MRCA] Able Archer 83 AAR
>
>
>
>
>
> Ray,
>
>    Thanks for the excellent AAR. Can you share more information on the
> 14-foot vertical on the MUTT?
>
>
>
> Thanks and 73
>
> Scott, kc8kbk
>
>
>
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