[time-nuts] HP 58503A

Christoph Kopetzky dekagoon at gmail.com
Fri Aug 3 15:04:57 UTC 2012

Doug Reed <n0nas at ...> writes:

> I ran into a wiki description of GPS using WGS84 a couple days ago. It 
> included a mention of ESEC and it was something like: Earth Static, 
> Earth Centric. I think I was following a link about the Z3801A.
> It referred to the fact that lat-lon is referenced to a static grid on 
> the Earth and doesn't change as the Earth rotates on its axis or around 
> the sun. Earth static and Earth centric.
> 73, Doug Reed, N0NAS.

Hi Doug,

do you have more infos about the signal type of that Earth static, Earth 
is it a digital or analog signal?



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