[time-nuts] HP 58503A

[Christoph Kopetzky]

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 
centric?
is it a digital or analog signal?

Thanks

Chris