[time-nuts] eBay seller has Z3801A upgraded to 58503A

Bill Dailey docdailey at gmail.com
Thu Nov 27 18:03:22 EST 2014

Get the Fury.  Plug and play.

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> On Nov 27, 2014, at 4:55 PM, Dr. David Kirkby (Kirkby Microwave Ltd) <drkirkby at kirkbymicrowave.co.uk> wrote:
> There's a seller on eBay selling what he says is Z3801A upgraded to
> 58503A. One or two things have made me a bit suspicious of that seller
> - nothing to do with his GPS things. Does anyone know what he does? He
> also have an 58503A, but that's a couple of hundred $'s more than an
> upgraded Z3801A.
> I've been thinking of buying one of the Jackson Labs devices, which is
> obviously a more modern design, but I'm giving some consideration to
> buying a used GPSDO with an OCXO, rather than a TCXO. By the time I
> purchase the TCXO based unit, stick it in a box, build a buffer, add a
> power supply etc etc, it is not going to work out a lot cheaper than
> buying a used OCXO device.
> My mind is not made up about this. There are advantages and
> disadvantages of both.
> 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.
> http://www.kirkbymicrowave.co.uk/
> Tel: 07910 441670 / +44 7910 441670 (0900 to 2100 GMT only please)
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