[time-nuts] Datum 2100L "issues"

Christopher Hoover ch at murgatroid.com
Fri Oct 30 00:02:41 UTC 2009


Mark Kahrs wrote:
> I'm finally trying to get this epay 2100L time server to go.  First
> step was to talk to it, change the host number and then see what I
> had...
>
> It appears to me (or it, depending on who you ask), that two
> satellites are in view, to wit:
>
> 26 ? sig
> 09 0.0000000
> 04 17.6000004
> 10 0.0000000
> 15 0.0000000
> 01 0.0000000
> 07 0.0000000
> 28 0.0000000
> 02 9.8000002
> 27 ? sat
> Auto 2-D Sats: 4 2
>
> Above 6.0 is considered "good".   But, the status command reveals it
> is "freewheeling" --- clearly, since it is neither "tracking" or
> "locking".
>
> If I try and use the position command, I get this:
>
> 28 ? pos
> GPS Engine Busy:2
>
> I can query the GPS software edition:
>
> 14 ? gpsversion
> Nav 8.8 4/1/0 Sig 10.16 4/1/0
>   
You can give a position, but I don't believe it will lock it in -- it is 
a hint.  Here's how mine behaves:

8 ? tim

9 ? sig

 Invalid Command

10 ? gps

11 ? sig

12 6.8000002

02 -1.0000000

29 1.6000000

30 5.1999998

15 0.0000000

05 1.8

10 4.4000001

21 5.4000001

12 ? sat

Auto 3-D Sats: 12 30 10 21 

13 ? pos

lat: 37.2678299 lon: -121.9767228 alt: 62.6665573

14 ? gpsversion

Nav 8.8 4/1/0 Sig 10.16 4/1/0

15 ? vers
Boot Code - Tymserve_2100
  Rev 1.1   12/20/1996 13:07:21
Main Code - TymServe_2100
  Rev 4.1   12/01/2005 14:45:23
16 ? 


What version is your software?

-ch






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