[time-nuts] LH v3.0 Beta and Z3816A Question

Bob Camp lists at rtty.us
Wed Jan 19 17:37:58 UTC 2011


Hi

If you haven't re-booted yet, you may not have seen windows detect your
TBolt and 3816 as mice yet. It's a simple thing to fix (disable it in device
manager), but a common "next problem".

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of J. L. Trantham
Sent: Wednesday, January 19, 2011 12:07 AM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] LH v3.0 Beta and Z3816A Question

I am only using LH with the TBolt.  I also run a Z3816A simultaneously to
cross check frequencies to make sure I am not using a 'dead' reference.  I
monitor both on the same computer that has two serial ports and runs
Win2KPro.  I had previously used TBoltMon but decided to give LH a try.
Quite the amazing display.  It is going to take me weeks to get a handle on
all that it can do.

The problem I had was downloading and installing the program while the TBolt
was operating and connected to COM 2.  The only way I could get the program
to respond was to move the TBolt to COM 1.  After that, everything worked.
I have not tried telling LH to switch to COM 2 then moving the TBolt back to
COM 2 to see if that would work.  My Symmetricom SatStat program is doing
fine with the Z3816A on COM 2 so no need as best I can tell.

The confusion is probably that I asked two unrelated questions in the same
posting.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of paul swed
Sent: Tuesday, January 18, 2011 4:18 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] LH v3.0 Beta and Z3816A Question


A quick question
I thought lady heather was a Tbolt program only.
Does it work with other GPSDP like the hp 3801 etc???
Thanks

On Tue, Jan 18, 2011 at 9:20 AM, J. L. Trantham <jltran at att.net> wrote:

> The Z3816A responded to the command nicely.  I was also able to use 
> the
> command:
>        *tst?
> to reboot the receiver without having to turn off the Z3816A.  This was
> using Symmetricom SatStat v5.0.  I have not tried with HP SatStat v4.2.
>
> Initially, the time was off by what appeared to be the leap second 
> value with a TFOM of 6.  Now it is back to a TFOM of 3 and the time 
> appears correct.
>
> Thanks,
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
> Behalf Of J. L. Trantham
> Sent: Tuesday, January 18, 2011 6:36 AM
> To: 'Discussion of precise time and frequency measurement'
> Subject: Re: [time-nuts] LH v3.0 Beta and Z3816A Question
>
>
> Michael,
>
> Thanks for the hint.  I've looked at that site a thousand times but 
> never found that hint until now.  I'll give it a try.
>
> Thanks again.
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] 
> On Behalf Of cook michael
> Sent: Tuesday, January 18, 2011 2:20 AM
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] LH v3.0 Beta and Z3816A Question
>
>
> Le 18/01/2011 05:07, J. L. Trantham a écrit :
> > An unrelated question.  My Z3816A reports GPS time.  I have looked 
> > but have not found a command to make it switch to UTC.  Does such a 
> > command exist? If so, what is it?
> >
> The command to do the same on the Z3801A might work with this box 
> aswell.
>
> Using info from K8CU; 
> http://www.realhamradio.com/GPS_Frequency_Standard.htm
>
> Issue the command:
>
>    :diag:gps:utc?
>
> If it returns 0 you are in GPS mode; if 1 you are in UTC
>
> Use the command:
>
>    :diag:gps:utc 1
>
> followed by
>
>        :syst:pon
>
> to set it to UTC mode.  Some units have to be powered off to actually 
> reset to UTC depending on software version.
>
>
>
>
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