Re: [time-nuts] HP 58503A

2012-08-03 Thread Doug Reed
OK, that's what I get for working from memory. :-) I got the idea more or less right but it has nothing to do with the abbreviation under discussion Thanks for the correction. 73, Doug. b...@lysator.liu.se wrote: Doug, I ran into a wiki description of GPS using WGS84 a couple days ago. I

Re: [time-nuts] HP 58503A

2012-08-03 Thread Doug Reed
doesn't change as the Earth rotates on its axis or around the sun. Earth static and Earth centric. 73, Doug Reed, N0NAS. Christoph Kopetzky wrote: But now I am cleaning my devices and I am reading the label "ESEC" again on the back. So the question comes up again, what is ESEC? Googl