Re: [TUHS] [OT] azel - was Re: In Memoriam: J.F.Ossanna - TUHS

30 Nov 2018

On 2018-11-29 1:04 PM, Ken Thompson wrote:
...
  its name became astro and it is on the old backup
tapes.
 written in c. it has old elements for everything. published 
Thanks.

Was it rewritten? Your story has it dating at least back to 1966, which
made me think it might not have been C.

--Toby

...
  elements are now in a different form and a different
time
 base, so it needs updating to bring it into the 21st century.
 if all you want is the earth, moon, and sun, then it might
 be ok. the earth rotation fudge (delta-t) might need to be
 re-estimated to get second accuracy.

 On Thu, Nov 29, 2018 at 9:54 AM, Toby Thain &lt;toby(a)telegraphics.com.au&gt; wrote:
  On 2018-11-27 11:48 PM, Ken Thompson via TUHS
wrote:
  ...
 a version of azel was maintained all the time
 i was at bell labs. 
 As soon as I read this it's been on my mind to ask: Does this program
 survive? Presumably it was Fortran? What did it run on?

 --Toby