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

[Don Latham]

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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