On 2014-08-02, David Taylor david-tay...@blueyonder.co.uk.invalid wrote:
What is the servers section of your ntp.conf? How is the Accutime
device defined to NTP? I'm only familiar with the serial port DCD pulse
ref-clock.
My ntp.conf file is:
# NTP Network Time Protocol
# Use drift file
On 2014-08-03, Brian Inglis brian.ing...@systematicsw.ab.ca wrote:
Would be nice to see all the details.
Try the following as you seem to be using gnuplot:
I've uploaded two files, the 4.2.6 version (less good) is at:
https://docs.google.com/file/d/0B7E_xYSeZSYqc0ZpNENmbXUtZlE/edit
the 4.2.7
I also looked at the doc for your device and concur with Paul. You will most
likely need to use the PPS BNC connector at the back of the adapter to get that
signal. HOWEVER, it seems that PPS over USB has been done with a small mod to
the connections of some driver chips and the use of the
On 2014-08-04, mike cook michael.c...@sfr.fr wrote:
I also looked
at the doc for your device and concur with Paul. You will most likely
need to use the PPS BNC connector at the back of the adapter to get
that signal.
I'll have to check to see if I can find a expansion card with a serial
On Sun, Aug 3, 2014 at 4:07 AM, Rob nom...@example.com wrote:
Now, USB is more or less a network protocol. The very accurate timing
signal from the GPS is converted to a network message over the USB bus
that is transferred when time permits, and the moment the message
arrives in the PC is
On 2014-08-03, Greg Hennessy greg.henne...@cox.net wrote:
Well, I chose the Trible Accutime just to have access to a PPS
Your Accutime does provide a TTL PPS signal (by the way, PPS capable
GPS receivers are quite inexpensive and common these days) but USB
isn't the right way to import the
Greg Hennessy greg.henne...@cox.net wrote:
Well, I chose the Trible Accutime just to have access to a PPS
Your Accutime does provide a TTL PPS signal (by the way, PPS capable
GPS receivers are quite inexpensive and common these days) but USB
isn't the right way to import the signal.
Since
On 02/08/2014 22:27, Greg Hennessy wrote:
On 2014-08-02, David Taylor david-tay...@blueyonder.co.uk.invalid wrote:
Thanks for both points, Greg. I am unfamiliar with the type 29 driver
so I can't help much further. There is a page here mentioning 1
millisecond accuracy with Windows.
Even
On Sun, Aug 3, 2014 at 12:11 AM, Greg Hennessy greg.henne...@cox.net wrote:
Since the hardware has a USB connector, what is the right way to
import the signal if not USB?
I'm sorry, I should have said best or ideal rather than right if
your USB driver/converter supports mapping the PPS input to
On 2014-08-01 15:33, Greg Hennessy wrote:
I have a dell laptop running windows 7 with a trible accutime gold gps
that runs my telescope. My timing requirements are rather modest, I'd
like to be within 10 milliseconds of the correct time, but since my
observatory isn't connected to the internet,
On 2014-08-03, Brian Inglis brian.ing...@systematicsw.ab.ca wrote:
Set your laptop power profile to High performance - see previous
post on July 24.
I think it is already set to this, but I will double check when I get
back to work.
Would be nice to see all the details.
Try the following as
On 2014-08-03, Paul tik-...@bodosom.net wrote:
On Sun, Aug 3, 2014 at 12:11 AM, Greg Hennessy greg.henne...@cox.net wrote:
Since the hardware has a USB connector, what is the right way to
import the signal if not USB?
I'm sorry, I should have said best or ideal rather than right if
your USB
On Sun, Aug 3, 2014 at 7:03 PM, Greg Hennessy greg.henne...@cox.net wrote:
A Trimble Accutime Gold, I beleive it was the starter kit
version. There is a box the RS422 plugs into, there is a power
connector, and a USB to my laptop.
If you have a Starter Kit and you're using the UIM for RS-422
On 01/08/2014 22:33, Greg Hennessy wrote:
I have a dell laptop running windows 7 with a trible accutime gold gps
that runs my telescope. My timing requirements are rather modest, I'd
like to be within 10 milliseconds of the correct time, but since my
observatory isn't connected to the internet,
On 02/08/2014 16:18, Greg Hennessy wrote:
On 2014-08-02, David Taylor david-tay...@blueyonder.co.uk.invalid wrote:
I looked at your first graph, and did see spikes, but then wondered
whether the units were seconds or milliseconds, as I saw no spikes more
than 0.15 units, and the units on the
On Sat, Aug 2, 2014 at 4:28 AM, David Taylor
david-tay...@blueyonder.co.uk.invalid wrote:
How is the Accutime device defined to NTP? I
Refclock 29 (Palisade driver) is a serial driver using various TSIP
versions -- which are binary -- rather than NMEA. It might be
necessary to set the mode,
Refclock 29 (Palisade driver) is a serial driver using various TSIP
versions -- which are binary -- rather than NMEA. It might be
necessary to set the mode, certainly if you want to use Port B. I
would in any case. It appears that there's still no PPS support so
one would need to use
On Sat, Aug 2, 2014 at 5:08 PM, Greg Hennessy greg.henne...@cox.net wrote:
Well, I chose the Trible Accutime just to have access to a PPS
Your Accutime does provide a TTL PPS signal (by the way, PPS capable
GPS receivers are quite inexpensive and common these days) but USB
isn't the right way to
On 2014-08-02, David Taylor david-tay...@blueyonder.co.uk.invalid wrote:
Thanks for both points, Greg. I am unfamiliar with the type 29 driver
so I can't help much further. There is a page here mentioning 1
millisecond accuracy with Windows.
Even one millisecond is about a factor of 10
Well, I chose the Trible Accutime just to have access to a PPS
Your Accutime does provide a TTL PPS signal (by the way, PPS capable
GPS receivers are quite inexpensive and common these days) but USB
isn't the right way to import the signal.
Since the hardware has a USB connector, what is the
I have a dell laptop running windows 7 with a trible accutime gold gps
that runs my telescope. My timing requirements are rather modest, I'd
like to be within 10 milliseconds of the correct time, but since my
observatory isn't connected to the internet, I use the trible. My
laptop has no
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