Z38XX will show date/time as given by the GPS; wrong date/correct time.
Lady Heather will correct the roll over error and generate correct date.
--Original Message Text---
From: va2...@ebox.net
Date: Mon, 08 Nov 2021 18:07:19 -0500
Hi Bill.
You are wright, time is accurate compared to other GPS
Hal, that looks suspiciously like the fickle finger of fate to me.
Dan, since you have good low-angle coverage I might
suggest setting the elevation cutoff as low as 10 deg or so
and taking a look at the results for a few weeks. Then
start raising the elevation cutoff and repeating the
experiment
What's the blue finger sticking out into the North Pole hole?
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Hi Bill.
You are wright, time is accurate compared to other GPS clocks.
I was using SatStat and Lady Heater on it, I will try Z38XX.
Thank you,
Claude VA2 HDD
On 2021-11-08 17:49, Bill Beam wrote:
> The date Mar 2002 is a 1024 week roll over error. Time should be accurate.
>
> If you are u
> The date Mar 2002 is a 1024 week roll over error. Time should be accurate.
There is a dance that gets it using the correct date. It works for the
Z3801A. I'm not sure about other HP gear with the same UI.
I think I tried with the Lucent REF-0/REF-1 pair and didn't get it to work.
Does anyb
The date Mar 2002 is a 1024 week roll over error. Time should be accurate.
If you are using Z38XX program the receiver status does not update time in real
time.
The program has a view/clock display feature that does show date/time in real
time.
Regards,
Bill, NL7F
On Mon, 08 Nov 2021 17:01:0
Hello to all members of the list.
I'm testing an HP/Symmetricom 59551A that powers up OK and if I connect
an antenna the "GPS LOCK" LED lights up after a while.
The receiver is tracking satellites, but the status screen shows wrong
date and time, please see attached screen capture.
Is this a cas
Hi
To add a few more “gotcha’s” to the list:
1) A fast slew rate square wave will usually do better than a sine wave with
the same peak amplitude.
In some cases the difference will be several orders of magnitude. There is a
YouTube video from
Keysight showing this on the 532xx counters.
2)
Hi Erik --
Unfortunately, your attachment did not make it through the list. That
sometimes happens when you put images "in line" or as HTML content.
Best thing is to send them as a "real" attachment.
Your question breaks into two pieces: (1) what's the resolution or noise
floor of the count
Hi all time-nuts.
Hopefully one of you can provide some advice on how to proceed.
The ambition is to assess the short term (less than 1 hour) performance
of a frequency counter.
As I understood this can be done by plotting the Allan Deviation of a
repeated measurement of a very stable source.
Be
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