Anyone remember the HP freq counter flagship? Nixie-tubes, about 100
electron tubes, heavy, one man could not lift it..We had 10 of them
monsters. The LO took an hour to stabilize.We had games with it, e.g. who
could depress START followed by STOP fastest. The machine was immensely
fast, think it counted nanosecond pulses!
Inge
On 6 October 2013 05:22, Patrick Goodyear <[log in to unmask]> wrote:
> That and each station had multiple backups plus there one a cross link at
> each station to transmit data forward to the next station and receive from
> the previous station. Or that at least is what I remember. In ET
> school in 1972 we had computer that amounted to several transistor
> and/or/nand/nor gates and J/K flip flops, and counter registers. We
> learned to program it with simple commands and used it to drive a
> servo-syncro set.
>
> pat
>
>
>
> On Sat, Oct 5, 2013 at 6:07 PM, Steven Creswick wrote:
>
> Did each station monitor a different set/piece of telemetry?
>>
>>
>> My HP calculators likely had as much processing ability as the LEM
>> computer.
>> Weren't they still using core memory as well?
>>
>>
>> Steve
>>
>>
>> From: Inge Hernefjord [mailto:[log in to unmask]**] Sent: Saturday,
>> October 05, 2013 5:13 PM
>> To: TechNet E-Mail Forum; Steven Creswick
>> Subject: Re: [TN] NTC for today
>>
>>
>> I'm afraid it's not a space plane but just a plan.
>> Actually, there is something I always wonder about. Go back to Neil
>> Amstrong
>> and that time...Apollo, for instance. The computers at that time were
>> simple, compared to today's machines. I know, because I passed a glass box
>> every day before I entered the clean rooms. In that box was Apollo's main
>> computer, which we built. Lot's of transistors, most TO-18 and TO-5.
>> Specked
>> with 2N1893, 2121, 2902, which were very popular. Back to the path.....as
>> I
>> said, very simple stuff. The main functions were 'small push/pull rockets
>> and main rockets, as long as the service module and the astronaut capsule
>> were together. And communication radios. And sensors of various
>> nature...but
>> in alles rather uncomplicated electronics. My question: The central
>> station
>> in Houston was a large room with lots and lots of work stations. A hundred
>> persons "worked" there, all with their noses close to the many large
>> computer displays.Why was it necessary with such many work stations?
>>
>> Inge
>>
>> On 5 October 2013 20:13, Steven Creswick <[log in to unmask]>
>> wrote:
>>
>> Hey,
>>
>>
>>
>> I read somewhere that Sweden is making a spaceplane. How about a ride on
>> that, and play the Blue Danube?!!!
>>
>>
>>
>> Have a good time cruising!
>>
>>
>>
>> steve
>>
>>
>>
>> From: Inge Hernefjord [mailto:[log in to unmask]**]
>> Sent: Saturday, October 05, 2013 1:17 PM
>> To: TechNet E-Mail Forum; Steven Creswick
>>
>> Subject: Re: [TN] NTC for today
>>
>>
>>
>>
>> Thank you, buddy,
>> take care ya'self.
>>
>> Inge
>>
>>
>>
>> On 5 October 2013 02:43, Steven Creswick <[log in to unmask]>
>> wrote:
>>
>> It's probably already tomorrow there, but happy belated birthday Inge!
>>
>> Steve
>>
>>
>> -----Original Message-----
>> From: TechNet [mailto:[log in to unmask]] On Behalf Of Ed Popielarski
>> Sent: Friday, October 04, 2013 3:32 PM
>> To: [log in to unmask]
>> Subject: [TN] NTC for today
>>
>> It's Ingemar Hernefjord's birthday today!
>>
>> Happy Birthday, Inge!
>>
>> Ed Popielarski
>> Engineering Manager
>>
>> [Description: FullLogo]
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