[time-nuts] Errors on HP 58503A GPS time & frequency reference receiver bought from yixunhk.

Azelio Boriani azelio.boriani at gmail.com
Fri Dec 12 06:12:47 EST 2014


The strange thing is how they can have any 58503 firmware...

On Fri, Dec 12, 2014 at 5:22 AM, Don Latham <djl at montana.com> wrote:
> Welcome to the wonderful world of Chinese capitalism.
> Don
>
>> On Dec 11, 2014, at 6:16 PM, Dr. David Kirkby (Kirkby Microwave Ltd) <drkirkby at kirkbymicrowave.co.uk> wrote:
>>
>> Hi Stuart,
>> Several people have contacted me about the fakes. I can't understand why
>> his feedback is so good.  The seller bought some calibration standards from
>> me which I clearly stated were damaged.  I did at the time notice they left
>> about 25% negative or neutral feedback,  so was expecting that, but they
>> never left any feedback for me.
>> On 12 Dec 2014 01:00, "Stewart Cobb" <stewart.cobb at gmail.com> wrote:
>>
>>> I have bought several items from this seller and left positive feedback
>>> because the items arrived promptly and appeared to work. Problems only
>>> became apparent days, weeks, or months later. But by then it was too late
>>> to change feedback.
>>>
>>> This seller admits to changing the firmware on a GPSDO to "upgrade" it to a
>>> more valuable part number. I bought a device from him for which included a
>>> newly fabricated sheet-metal case complete with new false trademarked
>>> labels.  It's a very good fake, but it was not in fact produced by the
>>> manufacturer whose name is on the label, and it did not meet the
>>> requirements of the device inside. I have bought other devices from him
>>> which had other problems.
>>>
>>> It is possible that the seller is obtaining his stock from other sources
>>> inside China, and that he is not directly involved in changing firmware or
>>> creating fakes. It is possible that he himself is an innocent victim of
>>> sharp practice by others. I make no direct accusations. However, the
>>> equipment I have obtained from this seller in the past has not proved
>>> satisfactory to me over the long term, and I have chosen not to do business
>>> with this seller in the future.
>>>
>>> Cheers!
>>> --Stu
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>
>
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