[time-nuts] RACAL-DANA 1992 Option 04E problems

Steve Rooke sar10538 at gmail.com
Tue Jul 27 11:27:24 EDT 2010


Strange, there is no mention of the need to add ventilation when you
upgrade to ocxo in the service manual.

Steve

On 28/07/2010, billh40 at aol.com <billh40 at aol.com> wrote:
>
>           I own one RACAL-DANA 1992 (Standard- TCXO).  I purchased one with
> the Option 04E on eBAY.
>
>           The 04E chassis is sealed and the internal OCXO overheats due to
> lack of cooling air.  This causes the counter to stop taking measurements.
> I had to add ventilation holes on the top and right side of the chassis lid
> to obtain reliable operation.
>
>           Both counters work up to 1,750 MHz.
>
> Bill Hanna
>
>
>
>
> =
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-- 
Steve Rooke - ZL3TUV & G8KVD
The only reason for time is so that everything doesn't happen at once.
- Einstein




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