On 08/20/2013 01:51 PM, David Gravereaux wrote:
> Also, and still back to my question, NTPd's control of the radio and PPS
> signal wouldn't be using the same PPS kernel service would it?
Answering my own question, the clock at /dev/ptp0 (on the NIC) is not
the same as the realtime and needs to be
Hello.
You can try
Regards.
On 21/08/13 23:48 , Chris Albertson albertson.ch...@gmail.com sent:
It's simple, just install and run "NTP"
On Wed, Aug 21, 2013 at 9:02 PM, Rex Moncur wrote:
> I am trying to lock a Windows XP computer to GPS time taking advantage
of
> both the N
Hit "send" a bit to soon.
NTP will use the "best" reference clocks it finds. If that is GPS it will
use that. It can also use other NTP servers. Typically people use those
rather then getting their own GPS receiver. If the PC has a network
connection you can likely get time to within a few mi
Hello
You can try Nmeatime: "www.visualgps.net/NMEATime/"
Regards
On 21/08/13 23:48 , Chris Albertson albertson.ch...@gmail.com sent:
It's simple, just install and run "NTP"
On Wed, Aug 21, 2013 at 9:02 PM, Rex Moncur wrote:
> I am trying to lock a Windows XP computer to GPS time
Hello
You can try Nmeatime: "www.visualgps.net/NMEATime/"
Regards
===
Some advantages of the standard NTP software over NMEATime are listed here:
http://www.satsignal.eu/ntp/setup.html#why
The OP's main problem is that his GPS receiver does not include PPS
albertson.ch...@gmail.com said:
> NTP will use the "best" reference clocks it finds. If that is GPS it will
> use that. It can also use other NTP servers. Typically people use those
> rather then getting their own GPS receiver. If the PC has a network
> connection you can likely get time to w
Is anybody collecting time-nuts cartoons?
http://www.gocomics.com/pearlsbeforeswine/
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From: Hal Murray
I think you are missing the big picture.
The OP wanted GPS time.
NTP isn't setup to work with GPS time rather than UTC.
[]
=
I think the OP wants "UTC time from a GPS" rather than "GPS time". But even
if it /was/ GPS time, couldn't a set of si
In message <20130822082311.30224406...@ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:
>
>Is anybody collecting time-nuts cartoons?
>
>http://www.gocomics.com/pearlsbeforeswine/
You mean like this:
http://faculty.ucc.edu/business-greenbaum/images/NanosecZits.jpg
--
Poul-Henning K
Thank you Nigel for your comment.
Now I understand the reason why it may be useful to have this
additional external link.
In the counter is fitted an oscillator model 10544A (instead of a more
known 10811), but I think that it is the original one because the
date code of the serial number is a bit
p...@phk.freebsd.dk said:
> You mean like this:
> http://faculty.ucc.edu/business-greenbaum/images/NanosecZits.jpg
Neat. Thanks.
I remember that one from ages ago.
Does anybody have a URL for the original/official cartoon?
Or even just the name of that cartoon strip?
--
These are my
In message <20130822101451.41cac406...@ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:
>> You mean like this:
>> http://faculty.ucc.edu/business-greenbaum/images/NanosecZits.jpg
>
>Does anybody have a URL for the original/official cartoon?
>Or even just the name of that cartoon strip?
John,
I'm using a NI GBIP-USB-B.
The monitor feature does not time out, just the acquisition itself.
Adrian
John Miles schrieb:
What GPIB adapter are you using? Does the 'Monitor' feature also time out,
or just the acquisition itself?
-- john, KE5FX
Miles Design LLC
-Original Message--
Hi Luca
The earlier 5345As were fitted with the 10544A oscillator, I've seen units
with both that and the later 10811, so it could indeed be the original
oscillator.
If your 10544A has the PCB edge connector and is installed in the usual
place then without seeing what's actually been done
Hmm. Both the monitor window and acquisition loop use 5-second GPIB
timeouts, so they should theoretically behave the same. What is the exact
error message it's giving you during acquisition?
Are you using double precision, and/or a large sample size relative to the
sampling interval? I don't r
Hi Everyone,
I'm converting a Neo 6M GPS data stream to the Motorla Oncore UT data stream
my RFTG expects. When first turned on the 6M doesn't have a 1pps signal
yet, but does post NMEA messages which lack data are invalid. My question
is, what does the binary data stream from a Motorola Onco
John,
The displayed error message is:
'Acquisition failed - trigger poll operation timed out - check addresses'
I have tried both, single and double precision.
The sampling rate was either determined automatically by running the
monitor or edited manually. The latter appeared to work even worse
The board on it's own comes up in a mode that doesn't send anything until
it's initialized. The RFTG-m-XO is responsible for setting up the board.
This is what you see on the RX line after powerup:
Note that this is from WinOncore - the real data doesn't have the (Rx)
prefix and the data is in b
Hi Peter,
Thank you for posting this - it is interesting.
An @@Ea message only occurs once every 5 seconds?
It seems odd that it comes up with 08-11-2017 at 12:00:00
My RFTGm-II-Rb doesn't seem to mind it isn't getting the @@En messages...
Thanks,
Alan
-Original Message-
From: time-
I have acquired an old working 198kHz/162kHz off-air frequency standard that
appears to be a Halcyon OFS1 circuit board mounted in a DIY case. I think this
since
it came with a sheet of alignment instructions from Halcyon which certainly
ties
up with the PCB layout but the case is not made to p
Yeah. I can't think of any reason that it would need the TRAIM messages - I
thnk it's just being reported so that the official software can get access
to the information. I'm not sure where the date is coming from - there is
no battery on the UT+ in the RTFG-m-XO, and the cable I was using to get
Hi Mike I have had a Halcyon OFS-1 for 20 years and been looking for a
manual/circuit during that time. Mine was bought from Halcyon and came with
an A4 sheet of paper !Not alignment instructions!! I have been looking
for detail ever since. I would certainly be interested to see a copy of th
> I think the OP wants "UTC time from a GPS" rather than "GPS time".
In case, it should be simple.
> But even if it /was/ GPS time, couldn't a set of simple "fudge" statements
> in the NTP configuration provide that? OK, you would need to change the
> fudge lines when the GPS to UTC offset
The World's Most Precise Clock Could Prove Einstein Wrong
http://tinyurl.com/kuwhq47
http://www.npr.org/2013/08/22/214186448/the-worlds-most-precise-clock-could-pr
ove-einstein-wrong
Audio is 4:12
Nice picture.
"This may look like a mad scientist's garage sale, but it's actually the most
precise
Hi David
Yes I did not make myself clear but I am looking for UTC time from a GPS.
Thanks for all your references which I will work through and see how I go.
Regards Rex VK7MO
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of David J Tay
As I patiently wait for my PRS10 to lock I'm curious if there's a
limit beyond which I should assume the unit is faulty.
It does produce abount 10MHz (+- .2 Hz) and the oven current dropped
at what I assume is operating temperature.
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I can't directly speak to a PRS 10 but from the hp 5065 to FE's and FRS
20-40 minutes would be typical. The newer smaller ones seem to be within 20
minutes. They are below .2 Hz when locked.
Regards
Paul
WB8TSL/1
On Thu, Aug 22, 2013 at 9:10 PM, Paul wrote:
> As I patiently wait for my PRS10 to
Paul, i think 8 min is stated somewhere...
Sent From iPhone
On Aug 22, 2013, at 18:10, Paul wrote:
> As I patiently wait for my PRS10 to lock I'm curious if there's a
> limit beyond which I should assume the unit is faulty.
>
> It does produce abount 10MHz (+- .2 Hz) and the oven current dropp
From: Hal Murray
I think the OP wants "UTC time from a GPS" rather than "GPS time".
In case, it should be simple.
But even if it /was/ GPS time, couldn't a set of simple "fudge"
statements
in the NTP configuration provide that? OK, you would need to change the
fudge lines when the GPS
Use the RbMon utility to monitor the unit's operation as it starts up to
confirm that the lamp is started and the photocell is detecting a signal.
Not long ago there were a number of units available for sale on Ebay
that appeared to have a lamp problem.
On 23/08/2013 02:10, Paul wrote:
> As I pati
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