[time-nuts] Racal-Dana 1991 w. Option 4C - what is that ?

Dan Rae danrae at verizon.net
Fri Jan 20 10:33:59 EST 2012

On 1/20/2012 6:45 AM, cfo wrote:
> Hi Nuts
> I just bought a Racal-Dana 1991 (german eb..) , with options
> 01 : Inputs in back
> 4C : Unknown ? , but maybe some OCXO (i hope)
> 55 : GPIB
> Does anyone know what option 4C could be ?
> I hope some super nice OCXO option from USAF , they have bases in .DE
Option 4C is not listed in the manual, but presumably it refers to the 
timebase.  You will be able to tell best by looking inside when it 
arrives.  Racal made a lot of different ovens of different qualities as 
well as TCXOs.    All the US military had were the 1300 MHz version 1992 
counters with a very good OCXO inside, type 9462, so yours is a civilian 
one, I'm afraid.


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