Re: [time-nuts] 10811 serial numbers

2005-05-31 Thread Dave Carlson
" <[EMAIL PROTECTED]> To: "Discussion of precise time and frequency measurement" Sent: May 26, 2005 11:13 AM Subject: RE: [time-nuts] 10811 serial numbers > BTW, does anyone know if the 10811-series oscillators had any 'tamper > resistant' label of any form, suc

RE: [time-nuts] 10811 serial numbers

2005-05-26 Thread John Miles
> BTW, does anyone know if the 10811-series oscillators had any 'tamper > resistant' label of any form, such that if one was missing, you could > reasonably assume someone has taken it apart at some time? None of them I have seen has anything like that. -- john KE5FX _

Re: [time-nuts] 10811 serial numbers

2005-05-26 Thread David Kirkby
Alberto di Bene wrote: How are the 10811 OCXOs serially numbered ? I ask this, because from a photo on eBay I saw a 10811-60111 with serial number 2850A47273, a rather long number. The 10811-60111 in my 5328 counter has as S/N the number A03912, which looks like it belongs to a dif

RE: [time-nuts] 10811 serial numbers

2005-05-26 Thread Daun Yeagley
I think the numbering scheme was changed a few years ago. The 2850 tells us it was built in 1988 (28 years after 1960). I think this portion has been dropped, perhaps when the spin-off from HP happened. I lost track of that in my last few years there. The A (in both cases) signifies that it was