[ARC5] [Fwd: RE: [Fwd: Re: YG/ZB]]

[J. Forster]

Thanks Jerry,

Best,

-John

===============


---------------------------- Original Message ----------------------------
Subject: RE: [Fwd: Re: [ARC5] YG/ZB]
From:    "Jerry Proc" <jerry.proc at sympatico.ca>
Date:    Mon, July 4, 2011 11:59 am
To:      jfor at quik.com
Cc:      kk5f at earthlink.net
--------------------------------------------------------------------------

Hi John,

I was not aware that any answer was being sought.
The photo of the YE morse disk came from E-bay and I can't remember what
copy the seller provided vs what I researched.  The Avenger documents were
originally posted 2 years ago and now I use them for personal reference
since I've forgotten quite a lot of the material.

-----Original Message-----
From: J. Forster [mailto:jfor at quik.com]
Sent: Monday, July 04, 2011 2:07 PM
To: Jerry Proc
Subject: [Fwd: Re: [ARC5] YG/ZB]

Hi Jerry,

Any answer about the source of the disk?

Best,

-John

================



---------------------------- Original Message ----------------------------
Subject: Re: [ARC5] YG/ZB
From:    "Mike Morrow" <kk5f at earthlink.net>
Date:    Mon, July 4, 2011 10:39 am
To:      arc5 at mailman.qth.net
--------------------------------------------------------------------------

Jack wrote:

>Couple of oddball facts gleaned from the YG manual.
>
>The system sent course information for 9 revolutions, or
>4.5 minutes, then an ID for 1 revolution or 30 seconds.
>
>The course signal were the morse characters
>A D F G K L M N R S U W.  One character sent twice
>in each 30 degree sector.
>
>The ID signal consisted of 2 characters of
>
>B C J O P Q X Y.

The disk set shown at the website that Ken referenced:

 http://jproc.ca/rrp/rrp3/avenger_ye_zb_mcode_disk.jpg

has the sector ID segments arranged as Jack listed, and the station ID
segments arranged to the right of the disk.  (Z is also included there.)
The disk set in the photo must have been new and unused!

I wonder where that disk came from.  There weren't a lot of surplus
YE and YG sets on the market after the system was abandoned in the
mid-1950s.  :-)  I wonder if any survive intact on a museum ship or
elsewhere today.  It's a shame if not.

Mike / KK5F
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