Yep, core memories are still used in some apps, believe it or not. And
discrete transistors like JAN 2N 2202 are still used. I had a look at the
latest products for Galileo, looks like produced 25 years ago! Why we use
such old components? Because we know all about them. Million and millions
of operating hours.
Inge
On 6 October 2013 03:07, Steven Creswick <[log in to unmask]> 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
>
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