ology- RCA 'numitron'
> >>>> displays and mostly TTL circuitry. I've had it running here
> >>>> continuously
> >>>> now for about six years driven from an HP 5245M timebase - the clock
> >>>> has
> >>>> never missed
ning here
>>>> continuously
>>>> now for about six years driven from an HP 5245M timebase - the clock
>>>> has
>>>> never missed a beat. (recent quakes excepted ) Also. one of the
>>>> newspaper cuttings in that collection you posted mentions the flyi
requency measurement
> Subject: Re: [time-nuts] 1970's flashback
>
> I imagine that Mr Hewlett and Mr Packard have been spinning in their
> graves for years, seeing what has become of their company. Why anyone
> thought it was a good idea to sell off the divisions that made &quo
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On 2013-01-14 00:25, Joseph Gray wrote:
> I imagine that Mr Hewlett and Mr Packard have been spinning in
> their graves for years ...
The 1000 dollar question is: At which frequency are they spinning,
would they make up a good reference?
// jwalck
--
;>> clock being down here in NZ to visit Mount John, a magnificent
>>> observatory site in South Canterbury. These days it's a well known
>>> astronomical observatory run as part of Canterbury University Physics
>>> Department.
>>> Dave Brown
>>
Canterbury. These days it's a well known
>> astronomical observatory run as part of Canterbury University Physics
>> Department.
>> Dave Brown
>> Christchurch, NZ
>>
>>
>> - Original Message - From: "Joseph Gray"
>> To: "Dis
Joe -- Thank much for that set of classic photos.
Volker -- For a near complete photo of all HP time & frequency gear see:
http://leapsecond.com/hpclocks/
Dave -- I'll check on that hp display clock. I have a couple like it, with
Nixie tubes, but without with the ten-turn pot on the right. Inter
omical observatory run as part of Canterbury University Physics
Department.
Dave Brown
Christchurch, NZ
- Original Message - From: "Joseph Gray"
To: "Discussion of precise time and frequency measurement"
Sent: Sunday, January 13, 2013 10:10 PM
Subject: [time-nuts] 1970
ll known astronomical observatory run as part of Canterbury
University Physics Department.
Dave Brown
Christchurch, NZ
- Original Message -
From: "Joseph Gray"
To: "Discussion of precise time and frequency measurement"
Sent: Sunday, January 13, 2013 10:10 PM
Sub
Some time ago, a local Amateur gave me a CD with some radio related
information. Also on the CD was some information from when he was in
the Air Force. As it is Time Nuts related, some of you might find this
of interest. I have posted the images in my Dropbox and will leave
them there for a few day
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