[TUHS] "9 skills our grandkids won't have" - Is this a TUHS topic?

[Marc Donner]

Back when I worked at JPL in the late 1970s I was the most junior engineer,
so my time slot on the computer (an SDS 930) was from 2AM to 4AM Monday,
Wednesday, and Friday.

Over time I got to know the guard who patrolled our building and we would
hang out and chat when he came by and found me there with the machine room
door open.

After a while I was ordered to keep the computer room door closed, since
keeping it open was unbalancing the A/C.

Nonetheless he somehow managed to come in and find me quite regularly.

One night I asked him how he knew when I was working.  He told me that my
program, when it was running, made a characteristic sound on his
walkie-talkie.
=====
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On Thu, Jun 30, 2022 at 6:19 PM Rik Schneider <unix at deranged.schneider.org>
wrote:

> Using a cheap pocket AM radio as an improvised signal probe.
>
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