[ARC5] [Bulk] R-28/ARC-5

[D C _Mac_ Macdonald]

Octal tube sockets have been used to hold FT-243 crystals since before I was licensed in 1953, sometimes even in commercial equipment! 
 
* * * * * * * * * * * 
* 73 - Mac, K2GKK/5 * 
* (Since 30 Nov 53) * 
* k2gkk hotmail com * 
* Oklahoma City, OK * 
* USAF & FAA (Ret.) * 
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> Date: Sat, 25 Apr 2015 18:40:26 -0400
> From: scr287 at att.net
> To: arc5 at mailman.qth.net
> Subject: Re: [ARC5] [Bulk]  R-28/ARC-5
> 
> On 4/25/2015 6:12 PM, Robert Eleazer wrote:
> > I am surprised at the use what appear to be 4 pin "octal" sockets for the crystals.
> 
> Similar to the crystal sockets in the BC-733 Localizer receiver.
> 
> 
> Jack Antonio WA7DIA/4