And on the top left, a fan-fold paper printer for the data. Imagine handling all of that data manually instead of getting it in a disk file.
Bill Hawkins -----Original Message----- From: Jeremy Nichols Sent: Saturday, January 30, 2016 12:43 PM To: time-nuts@febo.com Subject: Re: [time-nuts] moon bounce for synchronization Ooh! Ooh! Not only a 5245 with a 5265 voltmeter plug-in but a 5360 Computing Pig! Great picture, thanks for posting it. Jeremy N6WFO On 1/30/2016 6:16 AM, jimlux wrote: > This month's historical picture from JPL > http://beacon.jpl.nasa.gov/historical-photo-of-the-month > > This atomic clock was used at the Goldstone Time Standards Laboratory > in 1970, to synchronize clocks at Deep Space Network stations around > the world. This master clock was accurate to plus or minus two > millionths of a second, when compared to clocks maintained by the > National Bureau of Standards and the U.S. Naval Observatory. In the > late 1960s, JPL had developed a moon bounce technique to transmit > signals from one deep space antenna to another. Experiments included > periodic measurement of timing signals that were reflected from the > surface of the moon, to find out if the station clocks were within > allowable limits for accuracy. > > Time-nut will recognize, of course, that none of the things in that > picture are actually an atomic clock, although they are thing that are > useful if you have an atomic clock. > > > Note the sophisticated temperature monitoring system. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.