[time-nuts] 1970's flashback

Volker Esper ailer2 at t-online.de
Sun Jan 13 13:44:53 UTC 2013


Thanks, Joe. Though I don't have such time equipment, the pictures are 
fascinating me and make me recall the days when the name "HP" stood for 
High Precision (or High Price) rather than for cheap printers.
Those days are gone...

Volker


Am 13.01.2013 12:27, schrieb Dave Brown:
> Thanks for these, Joe.
> The photo with the sign 'set your watch' is especially interesting for
> me as it shows a pair of old clock displays the same as one I have here.
> These are the two digital displays that are showing the same digits.
> There's part of a third one the same on the extreme left but the display
> on that one is not visible in the photo. My clock has a different
> mechanical dial on the ten turn pot at the extreme right of the front
> panel- otherwise the unit I have here looks identical to those in the
> photograph.
> I have never been able to track down any info on this unit. Mine came
> from a US military installation here in NZ (Black Birch) that has long
> since been shut down. It's certainly old technology- 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 a beat. (recent quakes excepted ) Also. one of the
> newspaper cuttings in that collection you posted mentions the flying
> 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
> Christchurch, NZ
>
>
> ----- Original Message ----- From: "Joseph Gray" <jgray at zianet.com>
> To: "Discussion of precise time and frequency measurement"
> <time-nuts at febo.com>
> Sent: Sunday, January 13, 2013 10:10 PM
> Subject: [time-nuts] 1970's flashback
>
>
>> 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 days before removing them. Several images are
>> large.
>>
>> https://www.dropbox.com/sh/ri8md891qne99vn/fuSDWspqWD
>>
>> Joe Gray
>> W5JG
>>
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at febo.com
>> To unsubscribe, go to
>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
>





More information about the time-nuts mailing list