[time-nuts] Jupiter GPS receiver
Mike Seguin
n1jez at verizon.net
Mon Jan 2 22:42:02 UTC 2006
Can someone point me to the source where the"known fault" of the Jupiter
listed below is documented??
I have a bunch of these engines and would like to see this documentation.
Tnx!
73,
Mike, N1JEZ
"A closed mouth gathers no feet"
----- Original Message -----
From: "Bjorn Gabrielsson" <bg at lysator.liu.se>
To: "Discussion of precise time and frequency measurement"
<time-nuts at febo.com>
Sent: Sunday, January 01, 2006 4:57 PM
Subject: Re: [time-nuts] Jupiter GPS receiver
"Geoff" <geoff36 at gmail.com> writes:
> "Didier Juges" wrote:
> > I am planning to let the GPS receiver run a while longer to see if it
> > corrects itself at some point, and if it does not, I'll reboot it.
>
> Hello Didier,
>
> The Jupiter GPS receiver (if used in NMEA and not binary mode) has a known
> fault, that it can be 1 or 2 seconds delta to UTC, this is independent of
> the "leap-second" situation.
Hi Geoff!
This afternoon, :-( ,I got an opportunity to run my jupiter in binary
mode again. It had been running in NMEA mode, when switched to binary
it was 2 seconds late in binary mode. But had bit set saying that
'time mark not valid' After some 15 minutes it ran ok again, still
do. First strange behaviour I have seen in binary mode. Regret
missing the leap second, but I would not be surprised if my jupiter
would have shown problems.
Anybody running a jupiter in binary mode over the event?
--
Björn.
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