My apologies to the list if this has been posted before but I found it fascinating. I'm guessing this was early 60's.
I wonder if this practice continued until the advent of GPS? I be interested to know if there was an interim technology and what it was. http://youtu.be/SXV4c5eVkE4 Jim... N5SPE _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
