[time-nuts] Ventilation of HP 58503A GPS time & frequency reference receiver

Dr. David Kirkby (Kirkby Microwave Ltd) drkirkby at kirkbymicrowave.co.uk
Sun Dec 14 16:08:44 EST 2014

Dr. David Kirkby Ph.D CEng MIET
Kirkby Microwave Ltd
Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, Essex, CM3 6DT, UK.
Registered in England and Wales, company number 08914892.
Tel: 07910 441670 / +44 7910 441670 (0900 to 2100 GMT only please)

On 14 December 2014 at 20:07, Alan Hochhalter <alanh137 at gmail.com> wrote:
> The 58503A in the picture on leapsecond.com looks very similar to my older
> 34401A DVM which doesn't have separate feet.

Where can I find the 58503A on leapsecond.com ? I don't see any GPS
receivers in Tom's museum of HP clocks


I'd like to find a picture of a *genuine* 58503A.


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