Re: [time-nuts] Loran Europe Lessay seems to be back on air?

Melia wrote: Yeah well its all done by computers now you dont need qualified navigators, the Captain can easily run it aground on his own :-)) It took a little longer than dumping ROs but not much. Alan G3NYK - Original Message - From: "Brian Inglis" <brian.ing...@syste

Re: [time-nuts] KS-24361 off by 45 seconds for 13 minutes, end of Jan 01 UTC

201034 36 0 57388 85970.045 127.127.26.0 T2201601012352063201039 52 0 57388 86034.045 127.127.26.0 T2201601012353103201035 48 0 <== 57388 86098.045 127.127.26.0 T2201601012354593101042 60 0 -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada __

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

-- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] PPS phase between two GPS units.

sawtooth correction. Can you do the sawtooth correction and see if the offset is reduced? -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] Hydrogen maser frequency jumps

, Brian Inglis, Calgary, Alberta, Canada ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

[time-nuts] Coordinated Universal Time (UTC) to retain “leap second”

http://www.itu.int/net/pressoffice/press_releases/2015/53.aspx -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Using borked Galileo sats to measure relativity

article: https://en.wikipedia.org/wiki/Time_dilation#Time_dilation_due_to_gravitation_and_motion_together and seems more reasonable given TVB's project GREAT results of ~ 20ns. -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada ___ time

Re: [time-nuts] Dipleidoscope

rs to have passed out of the family in the 1960s ending up with a different family owned jewellery and insignia private company http://www.aim25.ac.uk/cgi-bin/vcdf/detail?coll_id=16723_id=118 -- Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada __

Re: [time-nuts] How did they distribute time in the old days?

/04/mackintosh-clocks-feature-on-bbc-news/ more pictures in linked articles from BBC -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] How did they distribute time in the old days?

iving a time signal by other than visual means. One of the earliest uses of the new cable was to redetermine the longitude difference between the observatories of Greenwich and Harvard University at Cambridge, Mass. This was conducted in October 1866 by Dr B. A. Gould of the US Coast Survey, in co-oper

Re: [time-nuts] A new time nut - and a question!

/~mills/ntp/html/monopt.html If you have network routing, a few good servers close by, or a country 'pool CC.pool.ntp.org iburst' conf will keep your system from becoming a falseticker if there are any GPS issues. Email off list if you need more info. -- Take care. Thanks, Brian Inglis ___

Re: [time-nuts] Trimble Resolution [T, SMT, SMT GG] - spontaneous GPS loss of signal events, multiple locations

, it could possibly be a GPS system issue like updates, and you can report problems at: http://www.gps.gov/support/user/ which links to the form at: http://www.navcen.uscg.gov/?pageName=gpsUserInput -- Take care. Thanks, Brian Inglis On 2015-09-14 05:28, Wojciech Owczarek wrote: Hello Time Nuts, I

Re: [time-nuts] monitoring NTP servers?

and their sources. My taste runs to bash, awk, gnuplot, html and png output - YMMV. PM if interested. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] SRS PRS10 repair

Hi, You have too many 1s in your startup string compared to the expected PRS_10\r. If the MCU clock is not 10Mhz then the integrated UART rates will be off, which should produce framing errors, but do UARTs still detect and systems report these nowadays, or just pass along garbled data?

Re: [time-nuts] SRS PRS10 repair

seems to be the right thing to chase this evening. I was able to add an inverter and decode the first few characters on a scope. I get the expected DC1-CR-P-R-S sequence. Thanks for the input on this. I'll reply back after I've had more time to hack at this. On Tuesday, August 25, 2015, Brian

Re: [time-nuts] wtd: WWVB info

, or availability could be as vaporous as elsewhere. -- Take care. Thanks, Brian Inglis On 2015-08-09 20:38, Donald wrote: I wish to thank you all for the information presented here about WWVB receivers. A few years ago I had been building some LED clocks for friends, more art then electronics. Those

Re: [time-nuts] wtd: WWVB info

On 2015-08-07 14:43, Donald wrote: On 8/7/2015 8:13 AM, Brian Inglis wrote: Given a $10 60kHz receiver, This is the problem. I can not find $10 receivers any more. I can find $15-$20 receivers (from the UK), add shipping and it minimum $20+. Even the older chips still work with the new format

Re: [time-nuts] wtd: WWVB info

100ms after PPS to extract the binary data. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Loran C returning to a station near you...

civil time, use TAI or GPS time if they want to keep to a uniform time scale, or come up with a better time scale of their own. -- Take care. Thanks, Brian Inglis On 2015-07-14 16:49, Bob Camp wrote: Not to be to much of a downer here but ….. Loran for timing and an “Eastern WWVB” are two

Re: [time-nuts] US export regulations for TICs

microsecond or greater; -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] beaglebones, time, web services

interface, with some way to configure it and say where the scripts are. See Python cgi, html, http module docs to DIY. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] GPS/UTC time

are up to 1ms and 1m. Another was that the jet streams produce large short term variations caused by temperature differences. Will this always turn up as an issue with all oscillators? ;^ -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list

Re: [time-nuts] GPS/UTC time

, that should mean the earth rotated 3mm farther/day at the equator after Sumatra. Anyone know if, or how much, these perturbations affect the orbit of the earth or other planets, or where to find out? -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list

Re: [time-nuts] Thunderbolt Height Error

was about the same except it has me underground. The arbiter has the height as +30M. The Thunderbolt as -6M. What setting do I have wrong in the Thunderbolt? Would it affect the operation as a frequency standard in any way? -- Take care. Thanks, Brian Inglis

Re: [time-nuts] iGPS?

://www.iphoneincanada.ca/news/apple-has-reportedly-acquired-gps-firm-coherent-navigation -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] TymServe 2100 1995 Issue - A Kludgy Fix

problem, but NavStar will likely not be sending the same data on the same frequency then. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Tymserve 2100 thinks it's 1995?

care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] TymServe 2100 1995 Issue - A Kludgy Fix

, or derived from the difference between messages which provide UTC and messages (e.g. $GPZDG) which provide GPS time. Stratum 1 NTP servers need to be provided with a copy of the NIST leap second file and will propagate the warning to higher (numeric) stratum clients. -- Take care. Thanks, Brian

Re: [time-nuts] OXCO insulation

have several ovens you need to re-insulate. ;-) http://www.ebay.com/itm/171328843398? -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] OXCO insulation

be about right. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Looking for advice to get a submillisecond setup

of the tower or further away south west would reduce reflections. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] OXCO insulation

Thought of trying aerogel insulation? Dust free varieties avoid handling issues. -- Take care. Thanks, Brian Inglis On 2015-02-22 12:56, Dave M wrote: Yes, I'm aware that the newer OXCOs don't have any insulation other than air inside the package. I failed to mention that in my post. I am

Re: [time-nuts] PPS delay on rockwell

from a length of coax cable: remove the outer insulation, trim the outer shield and inner conductor to 46mm, and heat shrink tubing (or tape?) to form the T shape. You could stick that out of a gap in a window facing towards the equator with a clear view of the sky. -- Take care. Thanks, Brian Inglis

Re: [time-nuts] How to adjust clock frequency in FreeBSD 10.1 ?

, and offset for convergence towards zero; once those values start changing in the opposite direction, ntpd is disciplining the clock, and the values should start oscillating around its best estimates. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list

Re: [time-nuts] tyco electronics A1025

. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Did a member of time-nuts buy this?

) and Rb (most) clocks: might be interesting to compare accuracy of Cs vs Rb SVs in view. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] 1900kHz radiolcation testing on east coast US?

it be an artifact of interference with NAA 1-1.8MW@24kHz which also uses ~3MW@60Hz for deicing on the inactive array, as it is now below freezing and fairly humid in coastal Maine http://en.wikipedia.org/wiki/VLF_Transmitter_Cutler -- Take care. Thanks, Brian Inglis

Re: [time-nuts] 1900kHz radiolcation testing on east coast US?

-edge.com/__1910-intruder-1.png http://www.trailing-edge.com/1910-intruder-1.png and zoomed in at http://www.trailing-edge.com/__1910-intruder-2.png http://www.trailing-edge.com/1910-intruder-2.png On Mon, Dec 8, 2014 at 9:15 AM, Brian Inglis brian.ing...@systematicsw.ab.ca

Re: [time-nuts] Z3805A: How to correct a 1024 week date error?

not handle GPS wrap - only supported by NMEA driver, where you can find example code for wrap handling. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo

Re: [time-nuts] GPS for ntp

devices when I looked them up! -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] GPS for ntp

. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] GPS jump

-- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] GPS jump

. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] SMTP with Trimble Thunderbolt-E

TSIP across TCP which would allow you to use LH on Windows or under Wine on PC Linux, gpsd http://www.catb.org/gpsd for Linux programs, or ntp http://ntp.org/downloads.html. Anything else requires you to decode the TSIP binary stream and make it available via SNMP. -- Take care. Thanks, Brian

Re: [time-nuts] Anyone having a problem getting Bulletin B from maia.usno.navy.mil?

A is a USNO only product. IERS EOP PC data products are produced only weekly or end one month ago. Unfortunately it did not occur to me to backup the source data. I believe the above script may keep some backups. -- Take care. Thanks, Brian Inglis

Re: [time-nuts] Anyone having a problem getting Bulletin B from maia.usno.navy.mil?

On 2014-07-09 01:30, mike cook wrote: times out. Can I get it from anywhere else? http://maia.usno.navy.mil/ser7/bulb.dat works for me - the original is at ftp://hpiers.obspm.fr/iers/bul/bulb_new/bulletinb.dat -- Take care. Thanks, Brian Inglis

Re: [time-nuts] Opinions on OpenNTPD

checked openntpd was actually an SNTP implementation, not an NTP implementation. H and I saw some comments talking about adding support for leap seconds, so I wouldn't expect it to support any of the algorithms, only the protocol. -- Take care. Thanks, Brian Inglis

Re: [time-nuts] National Standards labs worldwide - specifically Australia

://www.measurement.gov.au -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] GPS puck?

, David Partridge ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Take care. Thanks, Brian Inglis

Re: [time-nuts] WWVB paper in May 2014 IEEE communications...

-Format-1_01-2013-11-06.pdf -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] NTP and Windows 7

Panel/Power, ensure your Power profile is set to High Performance and Put the computer to sleep is set to Never, then go into Advanced settings and set more things to Maximum Performance, Never, Disabled, or 100% as appropriate. -- Take care. Thanks, Brian Inglis

Re: [time-nuts] other ADEV tools (was GPSDO simulation tool)

to a file, which you can load into Libre-/OpenOffice or similar spreadsheet to chart, or use gnuplot, R, or your favourite chart/graph/plot program. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] 3.0GHz Channel 3 installation in Agilent 53132A Counter

. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] 3.0GHz Channel 3 installation in Agilent 53132A counter

numbers may need updated firmware. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Trimble Thunderbolt 1pps

loop interface. Later models added RS232 after it became popular. ISTR TWX terminals required one and Telex terminals the other. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Trimble Thunderbolt 1pps

to 115,200bpps require more drive and are limited to 3m, low speeds may work over 10m. Good luck finding any docs for these interface boards nowadays. YMMV should have been stamped on these specs since day one ;^ -- Take care. Thanks, Brian Inglis ___ time

Re: [time-nuts] Looking for Dual-Time Atomic Clock

the price, and it says it can be synced to WWV, although their product manual (single page setting guide) does not mention that feature. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] WAAS.....

way, I'd say no. More importantly, what are you trying to achieve? -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Using a UBlox NEO-6 GPS module for calibrating a PIC microprocessor based timer.

, custom mechanical timepieces. -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Morion MV89 and LTC6957

this year and all the crystal and OCXO business is now done thru MicroCrystal - see http://www.oscilloquartz.com/textes-swatch-group-858 -- Take care. Thanks, Brian Inglis ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] GPS to H-Maser comparison

On 2013-10-03 05:33, Jim Palfreyman wrote: Noticed an above average bump in our H-Maser vs GPS graphs - from sites all over Australia. Recent coronal mass ejection or US government shutdown not updating GPS? Anyone else seen it? drop out gap between about 04.21-04.26 UTC?

Re: [time-nuts] NIST off-line

It could well if the electrical utility bills are not paid for a few months! On 2013-10-01 12:09, paul swed wrote: Yes but wwvb is on a AA battery it will run out. :-) On Tue, Oct 1, 2013 at 1:45 PM, Tom Minnis tom_min...@att.net wrote: WWV is still ticking Tom On 10/1/2013 10:13 AM,

Re: [time-nuts] refclock - NTP server settings/tuning?

From what I've seen on the NTP groups, others' sites, and my own systems, refclocks must be polled frequently (maxpoll 4). You will get a more jittery trace but much lower offset and jitter. The current stable NTP GPS NMEA driver has added user mode PPS support for systems where a kernel PPS

Re: [time-nuts] Jackson Labs' Web-Site

nslookup fails and whois shows their domain registration expired yesterday On 2013-09-03 01:42, John C. Westmoreland, P.E. wrote: Hello All, A little off topic maybe - is it just me or is the Jackson-Labs.com site down/offline? http://www.jackson-labs.com http://jackson-labs.com Regards,

Re: [time-nuts] GPS-18, Windows, NTP Lat Lon

This question might be more appropriate for the NTP list at questi...@lists.ntp.org. Assuming you are using GPS 18 NMEA output and NMEA driver 20, set the statsdir either using the startup command line option -s or the conf command statsdir, as shown below, and enable clockstats: appends the

Re: [time-nuts] NTP/1-PPS/RS232 question

On 2013-08-20 02:45, Björn wrote: b...@lysator.liu.se said: The PTTI 1PPS is defined in http://www.navcen.uscg.gov/pdf/gps/ICD-GPS-060B.pdf It is 20us long and common in some applications. However the voltage levels are a bit high... The section I saw said 10 V nominal, +1, -2. That's