[time-nuts] Re: question about GPS time

[ericsp at gmail.com]

I can confirm that the BG7TBL is sill running a touch slow. Mine was a 2019 unit that was delivered a few weeks ago. At least from what the ebay listing said. 

With 20,000 samples and a gate time a 1 Second

Mean was 9.999 999 998 547 91

So the software bug might still be present
Frequancy Counter was a Keysight 53230A

-----Original Message-----
From: David Bridgham via time-nuts <time-nuts at lists.febo.com> 
Sent: Thursday, March 28, 2024 4:12 PM
To: Discussion of precise time and frequency measurement <time-nuts at lists.febo.com>
Cc: David Bridgham <dab at froghouse.org>
Subject: [time-nuts] Re: question about GPS time

On Thu, Mar 28, 2024 at 3:56 PM Jim Harman via time-nuts < time-nuts at lists.febo.com> wrote:

> The u-blox receivers have UBX messages that provide the current GPS 
> and UTC time as well as information about the number of leap seconds 
> that have occurred and the time, date, and direction of any upcoming leap second.
>

Indeed, thanks.  That's just what I was looking for.  In fact, I see from the documentation of one u-blox receiver I checked that they are quite explicit about just how they handle leap seconds in their UTC reporting (that's a good sign) as well as offering the option of choosing which time base of all the different GNSS options they implemented.

Thanks,
Dave
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