[time-nuts] Racal 1992 drift after standby

Harry Hindriks harry at hindriks.demon.nl
Thu Aug 27 20:48:54 UTC 2009


You can switch the mode to standard language instead of MATE/CIIL by
changing a jumper inside the counter.

73, Harry - PE1OXP




> In my experience limited to two units, the 04E works very well, and I've
> been prudent claiming an aging of one part in 10E10 per day. I suggest to
> check your unit. My reference was Rb (LPRO). They are both 02M.
> The 02M has a tag on the left side looking from the front. If the tag was
> lost, there are two holes. 02M uses the military GPIB language
> (MATE/CIIL), and, as far as I know, doesn't respond to the standard 1992
> language.
> It exists an enanched version of the 04E, that is the 04ES, but AFAIK it
> was available only in England.
> At power on, I read 1992 first, then 8572 0404.
>
> Antonio I8IOV
>
>> Ed,Mine comes out of standby pretty much where it is going to be. I see
>> from
>> information posted that I seem to have option 4E. Mine doesn't look
>> quite
>> that good compared to GPS. I believe mine is an 02M model though there
>> is
>> nothing on the unit to say so. The manual says the GPIB should be a
>> 401820
>> but mine is labeled 411820. Maybe a later version. I haven't had time to
>> hook a GPIB controller to it yet. Maybe next week.
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>
>
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