Re: [time-nuts] looking for low-power system for gps ntp timekeeping NANOSG20

2013-07-03 Thread Doug Calvert
On Wed, Jul 3, 2013 at 4:14 PM, folkert folk...@vanheusden.com wrote: Oh for convenience. I need to patch ntpd to use linux pps (afaik) and on other systems I successfully run gpsd with ntpd (read: low jitter). Using gpsd with ntpd reduces the jitter versus just using ntpd by itself?

[time-nuts] The auction site?

2013-07-02 Thread Doug Calvert
Hello, Why do people go out of their way to avoid writing ebay on this list? The statements are purposely written so that it is obvious that the insert mystical phrase is ebay and not a generic auction site. What history am I not aware of? ___

[time-nuts] BBC Precision: Measure of All Things

2013-06-26 Thread Doug Calvert
The BBC recently did a three part series titled Precisoin: The Measure of All Things. Part 1 is Time and Distance Part 2 Mass and Moles Part 3 Is Heat, Light and Electricity Probably nothing ground breaking for any time nuts but may be interesting to watch with friends and amily.

Re: [time-nuts] BBC Precision: Measure of All Things

2013-06-26 Thread Doug Calvert
On Wed, Jun 26, 2013 at 10:07 PM, Dan Rae dan...@verizon.net wrote: And BBC tv shows are not available (legitimately) for download or on demand outside the UK anyway. What is your point? Would you prefer that I only post things that are relevant to time nuts on this side of the pond?

[time-nuts] What is the deal with li...@lazygranch.com

2013-06-18 Thread Doug Calvert
Time Nuts, Is something messed up on my end with mail from li...@lazygranch.com? I seem to get an iawful lot of blank emails from this address to the t-n list. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] What is the deal with li...@lazygranch.com

2013-06-18 Thread Doug Calvert
On Tue, Jun 18, 2013 at 5:14 PM, Alan Melia alan.me...@btinternet.com wrote: Hi Doug what software are using as your mail client, and under what OS. I have had similar effects on an older system. I seem to get the lists postings ok. Alan G3NYK Of course I accidentally deleted the messages

Re: [time-nuts] Beaglebone NTP server

2013-06-14 Thread Doug Calvert
Can you explain what is different in this approach versus the traditional gps/pps without needing a custom clocksource? On Fri, Jun 14, 2013 at 8:13 PM, Gabs Ricalde gsrica...@gmail.com wrote: As an alternative to the Net4501, the AM335x in the Beaglebone has timers that accept an external

Re: [time-nuts] Unit tests for time calculations

2013-06-12 Thread Doug Calvert
On Sun, Jun 9, 2013 at 11:29 PM, Bill Hawkins b...@iaxs.net wrote: Hi, Thanks in advance. Since this is a list for precise things, could you make your questions more precise? What sort of test cases? What sort of calculations? Do you mean conversions? What do you mean by catching

[time-nuts] Unit tests for time calculations

2013-06-09 Thread Doug Calvert
Hello, My google-fu is failing me. Does anyone have a collection of test cases for date and time calculations? I am especially interested in catching errors when T1 comes from a different timescale than T2. Thanks in advance. ___ time-nuts mailing list

[time-nuts] Cheap 1588 cards Was: Re: Net4501

2013-06-07 Thread Doug Calvert
On Thu, Jun 6, 2013 at 8:48 PM, Bob Camp li...@rtty.us wrote: 1588 compatible network cards are capable of time stamping everything that goes in and out. They are pretty common these days both as stand alone cards and as peripherals on MCU's. There's no real need to do hardware, just come up

Re: [time-nuts] Traceability after loss of LORAN and WWVB

2013-06-03 Thread Doug Calvert
On Sat, Jun 1, 2013 at 3:02 PM, Scott McGrath scmcgr...@gmail.com wrote: Since the demise of LORAN and WWVB (although d-PSKer may allow us to bring spectracoms and 117a's back. What/Who is d-PSKer? ___ time-nuts mailing list -- time-nuts@febo.com To

Re: [time-nuts] NTP Clock suggestions?

2013-05-28 Thread Doug Calvert
Your message is the only place google has ever seen OnTime dial clock Did you mean a dial clock that displays the correct time and left out the space between on and time? On Mon, May 27, 2013 at 11:21 AM, Eric Williams wd6...@gmail.com wrote: If you want a project, you should be able to get

Re: [time-nuts] iPhone keeping better time?

2011-11-22 Thread Doug Calvert
On 11/16/2011 10:03 AM, David J Taylor wrote: I own a Mac Mini and a MacBook. Their NTP implementation is simply a joke. Even with a local stratum 1 I can't get decent accuracy. :-( David, weren't you interested in a LED clock I was going to build? Cheers, Miguel A pity that there isn't

Re: [time-nuts] iPhone keeping better time?

2011-11-22 Thread Doug Calvert
On 11/16/2011 12:28 PM, David J Taylor wrote: Apple run their own NTP servers and ship their Macs configured to use them to sync time. Last time I looked those servers were either not working, or very broken! Apple should use the pool rather than create single poinst of failure. Their

Re: [time-nuts] iPhone keeping better time?

2011-11-22 Thread Doug Calvert
On 11/16/2011 11:14 AM, Mike S wrote: At 10:03 AM 11/16/2011, David J Taylor wrote... A pity that there isn't a port of the reference NTP for the Mac, such as we have on Windows. macmini-2:~ mikes# ntpd --version ntpd - NTP daemon program - Ver. 4.2.4p4 Seems to be the standard

Re: [time-nuts] List Threading Behavior?

2011-10-25 Thread Doug Calvert
On 10/25/2011 05:10 AM, Attila Kinali wrote: On Tue, 25 Oct 2011 01:29:07 -0400 Doug Calvertdfc-l...@douglasfcalvert.net wrote: Am I the only one whose email client has trouble putting threads together for this list? All of my other lists appear to be working correctly. Am I missing

Re: [time-nuts] SLIP vs Ethernet for NTP

2011-10-23 Thread Doug Calvert
On 10/24/2011 12:26 AM, Magnus Danielson wrote: On 10/24/2011 05:14 AM, Doug Calvert wrote: On 10/23/2011 08:37 AM, Tijd Dingen wrote: I seriously doubt that piping it through slip is going to help. You still get to deal with slip + tcp protocol stack. I would expect gbit ethernet

[time-nuts] Google NTP Servers and smearing leap seconds...

2011-09-15 Thread Doug Calvert
Time Technology and leaping seconds http://googleblog.blogspot.com/2011/09/time-technology-and-leaping-seconds.html The solution we came up with came to be known as the “leap smear.” We modified our internal NTP servers to gradually add a couple of milliseconds to every update, varying over a

Re: [time-nuts] Averaging Location for Position Hold

2011-09-14 Thread Doug Calvert
As far as Lady Heather not working with other GPSDO's...  well,  She has good taste.  The Trimble Thunderbolt is far and away the best time-nut GPSDO out there.  It is highly configurable and controllable,  comes with a very good OCXO,  and is dirt stinkin' cheap.  If you dot all your i's and

Re: [time-nuts] 60hz west coast electric grid gone berserk

2011-09-09 Thread Doug Calvert
The OP mentioned something about pulling data from Washington (i think he was in nevada/utah). Where can you access power grid data like that over the internet? On Fri, Sep 9, 2011 at 1:17 PM, Hal Murray hmur...@megapathdsl.net wrote: What software do you use for the monitoring? Things are