Re: [time-nuts] Hydrogen Maser KIT! Update #1

2014-11-03 Thread Bill Dailey
Good god, be core full with that. Did you find any references to sputtering the coating. I would think this would give you a more even and more adhesive coating. Some chemical engineering labs at universities do that and would probably coat it for free. I know Dr. Viljoen at

Re: [time-nuts] Z3812 Diag port data? RE: time-nuts Digest, Vol 124, Issue 26

2014-11-03 Thread Bill Riches
Just loaded Satstat and found that it would not work with windoze 7 64 bit. Is there a 64 bit version around or do I dig out an old xp machine - or what program has been found to work? Bill, WA2DVU Cape May --- This email is free from viruses and malware because avast! Antivirus protection

Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO system

2014-11-02 Thread Bill Riches
and am measuring 15625 from gps locked 3336 into SL just to see how bad sound card osc is. I sure do appreciate all the info on our toys. 73, Bill, WA2DVU Cape May --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com

Re: [time-nuts] 1903 Railroad self-Winding / Self-setting Clock

2014-11-01 Thread Bill Riches
, service, and batteries. Many large offices had hundreds of these clocks. The book American Clocks -Volume 2 by Tran Duyly has everything you ever wanted to know about self winding clocks. 73, Bill, WA2DVU Cape May --- This email is free from viruses and malware because avast! Antivirus

Re: [time-nuts] 1903 Railroad self-Winding / Self-setting Clock

2014-11-01 Thread Bill Riches
Book info amazon http://www.amazon.com/American-Clocks-Volume-Special-Self-Winding/dp/0930163 443/ref=sr_1_sc_3?ie=UTF8qid=1414869823sr=8-3-spellkeywords=american+cloc ks+tran+duyly 73, Bill, WA2DVU Bill I responded to Mike there seems to be a number of threads running on this. So in fact you

Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO system

2014-10-31 Thread Bill Riches
from our time nuts gurus! 73, Bill, WA2DVU Cape May, NJ --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Lucent KS-24361, HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO system

2014-10-29 Thread Bill Riches
. Strange output pulse! Looking forward to 10 MHZ sine wave output mod that the gurus on the list will discover. Wonder what these units cost new when they were built? 73, Bill, WA2DVU Cape May, NJ --- This email is free from viruses and malware because avast! Antivirus protection is active

Re: [time-nuts] Lucent KS-24361/Z3812A GPSDO initial setup

2014-10-25 Thread Bill Riches
Hi Bob, I was just going to say it would be cool if Lady Heather eventually would work. You read my mind. I can hope!! 73, Bill, WA2DVU Cape May -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Bob Camp Sent: Saturday, October 25, 2014 12:12 PM

Re: [time-nuts] If any of your USB devices have stopped working lately...

2014-10-24 Thread Bill Dailey
actually. I buy products that I believe are legit no way to know just as if the cpu in my acer or emachines not legal. Heck I have no idea. Regards Paul WB8TSL On Thu, Oct 23, 2014 at 10:02 PM, Bill Dailey docdai...@gmail.com wrote: Well..if they didn't properly license the technology

Re: [time-nuts] If any of your USB devices have stopped working lately...

2014-10-23 Thread Bill Dailey
Well..if they didn't properly license the technology... They should be disabled. Sent from my iPad On Oct 23, 2014, at 8:45 PM, Mark Sims hol...@hotmail.com wrote: Happened to a friend of mine. All his Arduino stuff died. This could be the reason:

Re: [time-nuts] LTE-Lite module

2014-10-19 Thread Bill Riches
ride with your products! 73, Bill, WA2DVU Cape May, NJ -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Said Jackson via time-nuts Sent: Saturday, October 18, 2014 6:53 PM To: Bill Dailey Cc: Discussion of precise time and frequency measurement Subject

Re: [time-nuts] Lightning arrestors for GPSDO antenna

2014-10-18 Thread Bill Hawkins
, not a side shoot) gets directed directly to the keel. IIRC, gas discharge tubes take some time to ignite, so something faster is required to take the initial current. Bill Hawkins -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Dave M Sent: Saturday

Re: [time-nuts] LTE-Lite module

2014-10-18 Thread Bill Dailey
in a box. I woudl then have a stock fury, An enhanced OEM fury (datum-c) and then this gadget with a 10-13 10811. Let me know if this doesnt make sense. I am an amateur. Bill On Sat, Oct 18, 2014 at 5:13 PM, S. Jackson via time-nuts time-nuts@febo.com wrote: Guys, one last email. The board

[time-nuts] 5370 extender boards

2014-10-17 Thread BIll Ezell
I just got my extender board kit, just want to say the board quality is great. I have to give kudos to M.S., very quick ship, perfect. Now if I could just figure out how to adjust those pots on the input board without having a screwdriver that's 0.5 long, I'd be all set. :) -- Bill Ezell

Re: [time-nuts] Lightning arrestors for GPSDO antenna

2014-10-16 Thread Bill Hawkins
-- until a direct hit occurs. However, I'm in Minnesota with less than a tenth of the probability of a hit in, say, Florida. While there's not much about precision time in this posting, I hope it was useful to those who probe the sky with antennas. Bill Hawkins

Re: [time-nuts] Any simple way to get 200 MHz from 10 MHz?

2014-09-28 Thread Bill Dailey
in, 10MHz in and two frequency outputs. I don't have the setup to measure phase noise but seems to do a decent job for my purposes. Bill Sent from my iPad On Sep 28, 2014, at 5:24 AM, Dr. David Kirkby (Kirkby Microwave Ltd) drkir...@kirkbymicrowave.co.uk wrote: I am looking for a quick simple

Re: [time-nuts] Correcting jitter on the 1 PPS signalfrom a GPS receiver.

2014-09-15 Thread Fuqua, Bill L
of the scope, to ground and do the same. But the best solution is to get a good feed thru 50 Ohm terminator and put it on the input of the scope. Bill -- Message: 1 Date: Sun, 14 Sep 2014 09:58:54 -0700 From: Said Jackson

Re: [time-nuts] Update on my Arduino GPSDO / NTP server - going atomic

2014-09-10 Thread Bill Dailey
) and a huge all digital phased array project that is on the back burner until we move (nov1) and get settled. Crazy life here. Keep up the good work... I will let you know when I catch up. Bill Sent from mobile On Sep 10, 2014, at 7:48 PM, Andrew Rodland and...@cleverdomain.org wrote

Re: [time-nuts] Update on my Arduino GPSDO / NTP server - going atomic

2014-09-10 Thread Bill Dailey
I apologize. I didn't mean for that last post to go through the list. Sent from my iPad On Sep 10, 2014, at 7:48 PM, Andrew Rodland and...@cleverdomain.org wrote: Bill, Since I accidentally let the smoke out of my Due, and I just *happen* to have an UDOO Dual sitting around, I decided

Re: [time-nuts] Update on my Arduino GPSDO / NTP server - going atomic

2014-09-06 Thread Bill Dailey
, since the i.MX is clocked quite a bit faster and has its Ethernet MAC on-chip :) Andrew On Sat, Sep 6, 2014 at 12:08 AM, Bill Dailey docdai...@gmail.com wrote: I was wondering if a board like the udoo would help your ntp performance. I have one and would be willing to try this configuration

Re: [time-nuts] Update on my Arduino GPSDO / NTP server - going atomic

2014-09-05 Thread Bill Dailey
ocxo's (mid 10-13 at 1s) that I could use. I have about 100 projects going on but a project like this has been on the back burner for awhile. I have a couple of furies I could test it against also. Bill Sent from my iPad On Sep 5, 2014, at 2:07 PM, Andrew Rodland and...@cleverdomain.org

Re: [time-nuts] Need help with transformer core

2014-08-29 Thread Bill Hawkins
: This is from memory, as my design books have been downsized on the way to a senior living apartment. Bill Hawkins -Original Message- From: cdel...@juno.com Sent: Friday, August 29, 2014 5:12 PM I'm trying to built a DC to DC from an existing schematic for a frequency standard I'm working

Re: [time-nuts] Cutler NAA on 24.0kHz....

2014-08-20 Thread Bill Riches
NAA -50 dbm (1 MV) using a mini-whip. -60 dbm on the k9ay loop. Mini-whip is full of surprises. 73, Bill, WA2DVU Cape May, NJ -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of paul swed Sent: Tuesday, August 19, 2014 9:51 PM

Re: [time-nuts] MH370 Doppler

2014-08-19 Thread Bill Hawkins
satellite involved? Can you learn something if you assume a velocity for the aircraft? In which case the error in the assumed velocity would swamp the oscillator error, no? Bill Hawkins -Original Message- From: Joe Leikhim Sent: Monday, August 18, 2014 11:53 AM Is anyone paying attention to all

[time-nuts] HP5370 extender cards? (Mark Sims)

2014-08-14 Thread BIll Ezell
there in HP5370 extender cards? Depending upon quantity, cost should be in the $15 to $20 range. Absolutely, sign me up! -- Bill Ezell -- The day Microsoft makes something that doesn't suck will be the day they make vacuum cleaners. ___ time-nuts mailing

[time-nuts] HP 5355 boards

2014-08-14 Thread Bill Reed
Hi, I have a set of extender boards for the HP 5355 as follows: 05355-60023 05335-60025 05355-60021 05355-60020 05355-60024 If $ 75.00 including shipping in US seems reasonable contact me or make offer. Bill Reed --- This email is free from viruses and malware because avast! Antivirus

Re: [time-nuts] WWVB for Time Nuts

2014-08-10 Thread Bill Hawkins
specific. This is done so that something will remain if the general claims are not accepted by the examiner. Disclaimer: I have a couple of patents, but I am not any kind of lawyer. Bill Hawkins -Original Message- From: Jim Lux Sent: Saturday, August 09, 2014 11:39 PM On 8/9/14, 9:36 PM

[time-nuts] Fluke 207-5 receiver available

2014-08-08 Thread Bill Pileggi
Picked up subject receiver at a ham club auction in July. I thought it 'might' be useful as a generic VLF receiver, but perhaps not? Perhaps one of you will give it a better home? If not, does anyone have schematics? I'd certainly like to look at the diagrams. Thank you. KA3AIS

Re: [time-nuts] time-nuts Digest, Vol 121, Issue 8

2014-08-05 Thread BIll Ezell
to and from daylight saving time can cause one-hour discrepancies too. Fortunately, in this case, turning automatic setting off and then turning it back on forces a re-sync, thus supplying your phone with the right time. -- Bill Ezell -- The day Microsoft makes something that doesn't

Re: [time-nuts] How are iPhones' clocks set under LTE?

2014-08-04 Thread BIll Ezell
-- Bill Ezell -- The day Microsoft makes something that doesn't suck will be the day they make vacuum cleaners. ___ 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 are iPhones' clocks set under LTE?

2014-08-04 Thread Bill Dailey
it. I have never done a rigorous analysis but it appears to be within 1.5s or better most of the time. Doc Sent from mobile On Aug 4, 2014, at 7:38 AM, BIll Ezell w...@quackers.net wrote: LTE does support the long-standard NITZ (network information and time zone) service. It's an easy way

Re: [time-nuts] time-nuts Digest, Vol 121, Issue 6

2014-08-04 Thread BIll Ezell
writ an app that would do that. There are MANY clock apps some show multiple time zones. Interannly the phone uses GMT (offset zero) -- Bill Ezell -- The day Microsoft makes something that doesn't suck will be the day they make vacuum cleaners

Re: [time-nuts] How are iPhones' clocks set under LTE?

2014-08-04 Thread Bill Dailey
you would have to dig around and look. I am sure there is. I have played with it for a year or two. I put my own ntp server in there and was frequently disappinted that it would prefer remote servers quite often.. which cant be better than mine. I dont get that but otherwise I like it. Bill

Re: [time-nuts] How are iPhones' clocks set under LTE?

2014-08-04 Thread Bill Dailey
ahhh.. I wondered On Mon, Aug 4, 2014 at 7:27 PM, Paul tic-...@bodosom.net wrote: On Mon, Aug 4, 2014 at 6:32 PM, Shane Morris edgecombe...@gmail.com wrote: Bill, I just got Emerald Time for my iPad - quite a great app, considering I need accurate time for things. Is there a website

Re: [time-nuts] Time in Phone System

2014-07-22 Thread Bill Hawkins
Need to specify the identification of the cordless phones. Panasonic KX-TGD22n (where n is the number of handsets) will set their time from the time included in the CID message. Anybody from a major telco know the accuracy of time on a DSL line? Bill Hawkins -Original Message- From

Re: [time-nuts] temperature sensor

2014-07-22 Thread Bill Hawkins
, summertime. Bill Hawkins ___ 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] temperature sensor

2014-07-22 Thread Bill Dailey
In a container, as steam condenses the pressure will drop. The steam will stay saturated. This is as long as the container contains steam only. Eventually, as the steam cools and condenses you will be left with a vacuum contains only minimal water vapor. Sent from mobile On Jul 22, 2014,

Re: [time-nuts] temperature sensor

2014-07-21 Thread Bill Dailey
Ice water and boiling water coupled with altitude will give you two points. Sent from mobile On Jul 21, 2014, at 10:12 AM, Attila Kinali att...@kinali.ch wrote: On Mon, 21 Jul 2014 04:39:51 -0700 Alexander Pummer alex...@ieee.org wrote: NTC are not that very stable, they are amorphous

Re: [time-nuts] temperature sensor

2014-07-21 Thread Bill Dailey
You don't use ice as a reference. With ice water, the same principles apply that apply to boiling water. This is why these are convenient calibration check points. Sent from mobile On Jul 21, 2014, at 3:51 PM, jim s jwsm...@jwsss.com wrote: On 7/21/2014 11:36 AM, Hal Murray wrote:

[time-nuts] Fwd from NANOG: Erroneous Leap Second Introduced at 2014-06-30 23:59:59 UTC

2014-06-30 Thread Bill Woodcock
Begin forwarded message: From: Tim Heckman t...@heckman.io Date: June 30, 2014 at 17:33:52 PDT To: na...@nanog.org Subject: Erroneous Leap Second Introduced at 2014-06-30 23:59:59 UTC Hey Everyone, I just was alerted to one of the systems I managed having a time skew greater than

Re: [time-nuts] Loran, GPS, Lightning, Timing

2014-06-27 Thread Bill Hawkins
Let's see - lightning is basically a powerful spark. How about a home-made Marconi coherer? You don't have to go back in time to get one, and the audiophools haven't found a use for it. Bill Hawkins -Original Message- From: paul swed Sent: Friday, June 27, 2014 8:10 AM How to make

Re: [time-nuts] wander and jitter measurements

2014-06-27 Thread bill
are of frequency greater than or equal to 10 Hz). DQ1 yes DQ2 Frequency offset would come into the Wander category except it defined differently. DQ3 No That gives my take on your q questions. Its been 23 years since I had think about jitter and wander as chairman of T1X1.3 committee Bill K7NOM

Re: [time-nuts] Loran, GPS, Lightning, Timing

2014-06-25 Thread Bill Hawkins
of it. Bill Hawkins -Original Message- From: Poul-Henning Kamp Sent: Wednesday, June 25, 2014 3:45 PM Somewhere, sometime, I saw an homebrew article for a lightning detector which was based on some obscure valve/tube that had grid on the top terminal. A wire from the grid electrode ran

Re: [time-nuts] Loran, GPS, Lightning, Timing

2014-06-25 Thread Bill Hawkins
with grid caps, like the 6K7. Should be a lot more available than the Boonton 535-A. Bill Hawkins ___ 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] Boeing 787 GPS reception trouble

2014-06-02 Thread Bill Woodcock
. The third time was ANA Osaka-San Francisco. Today will be London-Addis again, but a different actual plane, since the previous one is one of the ones that burned. -Bill On Jun 2, 2014, at 10:03, Tom Van Baak t...@leapsecond.com wrote: 1) When I fly I often use my

Re: [time-nuts] Boeing 787 GPS reception trouble

2014-06-02 Thread Bill Woodcock
, for example) and used different paint formulation. Nevertheless, in this specific case, I'm not seeing anything that seems out-of-the-ordinary relative to other aircraft. -Bill On Jun 2, 2014, at 10:03, Tom Van Baak t...@leapsecond.com wrote: 1) When I fly I often use my

Re: [time-nuts] VNA design

2014-06-02 Thread Bill Reed
this summer. Bill Reed ree...@otelco.net -Original Message- From: Alexander Pummer Sent: Monday, June 02, 2014 5:18 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] VNA design Although I used to work for one of the competitor, I still do have

Re: [time-nuts] BeagleBone Black NTP server

2014-05-09 Thread Bill Dailey
I have the adafruit and a ublox-6T each mated to raspberry pi's. With NTP they are essentially indistinguishable. I have something other than NTP in mind for the 6Tpi. Sent from my iPad On May 9, 2014, at 9:32 PM, Brian Lloyd br...@lloyd.com wrote: On Fri, May 9, 2014 at 8:49 PM, Chris

Re: [time-nuts] GPS antenna length correction

2014-04-28 Thread Bill Beam
-- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. Bill Beam NL7F ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] Rb vs.Crystal OCXO

2014-04-27 Thread Bill Dailey
I unplug the antenna from my fury boards. I hope this is an effective alternative. Sent from mobile On Apr 27, 2014, at 9:02 AM, Tom Van Baak t...@leapsecond.com wrote: The Pendulum GPS-88 and GPS-89 have a button on the front you push when you want to force it into hold-over to do your

Re: [time-nuts] optically excite a quartz crystal?

2014-04-20 Thread Bill Hawkins
? Bill Hawkins -Original Message- From: cdel...@juno.com Sent: Sunday, April 20, 2014 12:35 PM After reading about how the BVA oscillators avoid the problems of on crystal electrodes I was wondering if anyone has tried to optically excite a quartz crystal in an oscillator? (Use a modulated

Re: [time-nuts] Water on Enceladus - What does this imply about NASA'a ability to measure frequency?

2014-04-04 Thread Bill Hawkins
Jim, Thanks for sharing the details and preventing this subject from turning into shared ignorance. Bill Hawkins ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

[time-nuts] GPSDO control system

2014-03-23 Thread Bill Hawkins
the results. :-) That's a start . . . Thanks for any replies. Bill Hawkins ___ 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] Aircraft ping timing

2014-03-22 Thread Bill Hawkins
At this time, the most likely story was written by a pilot and appeared in Wired magazine. Google MH370 smoke and look for the Wired reference. Bill Hawkins -Original Message- From: Poul-Henning Kamp Sent: Saturday, March 22, 2014 5:44 PM In message 532e01ee.3040...@pacific.net, Brooke

Re: [time-nuts] Aircraft ping timing

2014-03-19 Thread Bill Hawkins
goes on. Bill Hawkins -Original Message- From: iov...@inwind.it Sent: Wednesday, March 19, 2014 6:46 PM Those who say the missing aircraft should be searched along the two corridors, what measurement are they relying on? I think it is a one-way measurement of time-stamped pings, which

[time-nuts] Wildwood Loran

2014-03-03 Thread Bill Riches
Wildwood is up as of 1300 Z March 3, 2014. We are in the middle of a lot of snow! Estimated to receive a foot or so. Yippie... 73, Bill, WA2DVU Cape May ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] LORAN C 89700 on the air starting Monday

2014-03-01 Thread Bill Riches
Hi Paul, Is that EST or GMT time? 73, Bill, WA2DVU Cape May, NJ ( 10 miles from Wildwood!) -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of paul swed Sent: Saturday, March 01, 2014 12:18 PM To: Time-nuts Subject: [time-nuts] LORAN C

Re: [time-nuts] frequency comparator reading question

2014-02-27 Thread Bill Hawkins
with the range switch? Bill Hawkins -Original Message- From: Bob Camp Sent: Wednesday, February 26, 2014 9:16 PM Not having one here, about all I can guess is that there are 360 degrees in a cycle. If it's going through 360 degrees in 10 seconds it's 0.1 Hz off at what ever point it's comparing

Re: [time-nuts] A small piece on HP's hydrogen maser in 1968 - download

2014-02-24 Thread Bill Hawkins
happened once or twice before. Great articles in the result, though. Bill Hawkins -Original Message- From: Richard (Rick) Karlquist Sent: Monday, February 24, 2014 5:57 PM I eventually got the link to work from Internet Explorer, which took 5 minutes to download it. It never worked from

Re: [time-nuts] comparing two clocks - Racal 1992

2014-02-23 Thread Bill Hawkins
. You don't need a precision external reference when you are dealing with one part in 360. The noise is about 5 parts in 360. Comparing instantaneous clock display times is another matter altogether. Bill Hawkins Age disclaimer: My memory isn't what it used

Re: [time-nuts] Measuring 1 PPS with an HP 5335A

2014-02-16 Thread Bill Dailey
No idea. That's what's sad. They all blend together. Sent from mobile On Feb 16, 2014, at 6:17 PM, Jimmy D. Burrell jimmydb...@gmail.com wrote: Bingo! It's working now!! Thanks to everyone on the thread. Paul, I have to give chops to Bob on this one, even though my experience is the

Re: [time-nuts] Measuring 1 PPS with an HP 5335A

2014-02-16 Thread Bill Dailey
Disregard that. Meant for someone else. I apologize. Sent from mobile On Feb 16, 2014, at 7:33 PM, Bill Dailey docdai...@gmail.com wrote: No idea. That's what's sad. They all blend together. Sent from mobile On Feb 16, 2014, at 6:17 PM, Jimmy D. Burrell jimmydb...@gmail.com wrote

[time-nuts] Unknown GPS board

2014-02-10 Thread Bill Reed
connector. Any pin functions or spec would be appreciated. Bill ___ 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] Line Frequency

2014-02-09 Thread Bill Dailey
The PicPET is what I use. Input is from a 5v ac transformer. Seems simple to me. I bought a handful of these. Love em. http://www.leapsecond.com/pic/picpet.htm Doc Sent from mobile On Feb 9, 2014, at 7:53 AM, M. Simon msimon6...@yahoo.com wrote: This probably came up during the recent

Re: [time-nuts] 60 Hz power glitch, US West coast (Silicon Valley)

2014-02-05 Thread Bill Hawkins
, with who knows what equipment making large swings. It would be interesting to hear from other parts of the country, but cycle-watching hasn't caught the interest of this group yet. Bill Hawkins -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com

Re: [time-nuts] Examples of leap-seconds in local timezones

2014-01-24 Thread Bill Hawkins
Ah, yes, the time jump. Reminds me of the time jump off of the Empire State building in Men in Black III. Sure seems like the jump should be taken in increments smaller than an integer second. We have the technology. :-) Bill Hawkins -Original Message- From: Magnus Danielson Sent

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

2014-01-22 Thread Bill Woodcock
All the ones we use are from BRG Precision Products: http://www.brgprecision.com/products/time_zone_displays/index.php Here’s what it looks like on the wall: https://www.pch.net/dnssec/zrh -Bill signature.asc Description: Message signed with OpenPGP using

Re: [time-nuts] Local Solar Time Clock

2014-01-19 Thread Bill S
Chris, Mechanical clocks that display local solar time have been built for over a hundred fifty years. There are mechanical wristwatches that also do the same thing and are currently available. They're extremely expensive but are being constructed. The local solar time is usually presented

Re: [time-nuts] Local Solar Time Clock

2014-01-18 Thread Bill Dailey
http://www.precisionsundials.com The sawyer looks like it fits the bill. $8,000 Sent from mobile On Jan 18, 2014, at 4:25 PM, P Nielsen pniel...@tpg.com.au wrote: I am looking for a physical clock (not software) that will indicate local solar time. IOW when the sun is at its highest point

Re: [time-nuts] fast edge, rise time.

2014-01-16 Thread Bill Reed
Paul It weighs 30 lbs. Pictures are on face book or I can email with an address. Bill -Original Message- From: paul swed Sent: Wednesday, January 15, 2014 12:20 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] fast edge, rise time. Bill Interesting

Re: [time-nuts] fast edge, rise time.

2014-01-15 Thread Bill Reed
Thanks Mark I must have serial number 2 of that series of IPG's. The one in the article is SN-3-75-1 and mine is SN-3-75-2. It was probably fabricated in March 75. I plan on visiting Redstone library to look up references 8 and 9. Bill -Original Message- From: Mark Kahrs Sent

Re: [time-nuts] fast edge, rise time.

2014-01-13 Thread Bill Reed
Hi, Since there is no interest in my pulse generator maybe one of you knows someone at NBS who can provide a schematic of the generator. It has NBS Impulse Generator SN 3-75-2 engraved on the front panel and is ~ 10 x 16 x 17. Thanks, Bill Reed -Original Message- From: Bill

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

2014-01-08 Thread Bill Hawkins
Ah, so it's really a nuisance alarm problem. Two questions: 1. Is it really a nuisance? Is the holdover adequate to maintain accuracy of your network? 2. Can the nuisance alarms be eliminated by configuration without spending money on hardware? Bill Hawkins Curiosity question: Are these folks

Re: [time-nuts] fast edge, rise time.

2014-01-07 Thread Bill Reed
under Impulse. Bill Reed256 586-3446 -Original Message- From: ct1dmk Sent: Sunday, December 29, 2013 7:36 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] fast edge, rise time. Thank you all for your comments on this subject. Happy new year

Re: [time-nuts] Measuring TV delays

2014-01-02 Thread Bill Hawkins
that problem. No need for it now, but it's like the QWERTY keyboard . . . Bill Hawkins -Original Message- From: Magnus Danielson Sent: Thursday, January 02, 2014 12:15 PM So, in the US and other 3/1001 frames per second countries (formerly NTSC), encoded time is not going to be useful

Re: [time-nuts] The Best way to Mark the New Year...

2014-01-01 Thread Bill Hawkins
TV delays of several seconds could be due to the time delay built into programming to avoid wardrobe malfunctions and bad language getting on the air. Plenty of opportunities for that when covering the public at a New Year's Eve celebration. Bill Hawkins

Re: [time-nuts] Measuring TV delays

2014-01-01 Thread Bill Hawkins
Hal, Bloomberg TV, a financial news channel, has a continuous clock in the lower left corner. Other financial channels may also do that, as time is of the essence. Especially opening and closing times. Bill Hawkins -Original Message- From: Hal Murray Sent: Wednesday, January 01, 2014

Re: [time-nuts] Future of Time splinter meeting atAmericanAstronomical Society

2013-12-21 Thread Bill Hawkins
The proposal is that UTC no longer be tied to the rotation of the Earth. If UTC is decoupled from leap seconds, presumably to make things easier for some activist group, then the rest of us will have to go back to GMT. We inhabit the Earth, not some computer simulation. Bill Hawkins

Re: [time-nuts] Shortt Clock Recent Measurements

2013-12-10 Thread Bill Hawkins
Here's a specific reference from 1931: http://adsabs.harvard.edu/full/1931MNRAS..91..575B Bill Hawkins -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Brooke Clarke Sent: Tuesday, December 10, 2013 12:55 AM To: Discussion of precise

Re: [time-nuts] Shortt Clock Recent Measurements

2013-12-10 Thread Bill Hawkins
Sorry, I should have read the article. It was found by asking for Loomis moon pendulum The article is fascinating to Shortt clock fans, but does not mention the moon. Use their page back to get the whole article. Bill Hawkins -Original Message- From: Bill Hawkins [mailto:b...@iaxs.net

Re: [time-nuts] Is this measurement for real?

2013-12-08 Thread Bill Dailey
Sounds about right. Sent from mobile On Dec 7, 2013, at 2:24 PM, quartz55 quart...@hughes.net wrote: I've been testing my soundcard measurement capability with Speclab, so I hooked my LPRO Rb to lock my Moto Service Monitor, fed the 1K audio out into the sound card and I measured the

Re: [time-nuts] simulation of interconnected clocks

2013-12-01 Thread Bill Hawkins
So, are we any closer to finding the body oscillator that lets us wake up just before the alarm goes off? Or could it be that we are awakened by the alarm but recognition of it is delayed? Bill Hawkins (currently dealing with a low, irregular heartbeat

Re: [time-nuts] Man killed in quartz crystal accident

2013-11-26 Thread Bill Dailey
So throw caution to the wind because other things kill people? 100% of people die from something. So we shouldn't try to keep from killing bystanders because they are going to die anyway? Sounds a bit sociopathic to me. Doc Sent from mobile On Nov 26, 2013, at 7:34 AM, J. Forster

Re: [time-nuts] Man killed in quartz crystal accident

2013-11-24 Thread Bill Hawkins
purity, so all crystals are pure. Help prevent incomplete knowledge. Bill Hawkins -Original Message- From: Robert Atkinson Sent: Sunday, November 24, 2013 1:43 AM The US Chemical Safety Board have released their report into the 2009 accident at NDK's synthetic crystal growing facility

Re: [time-nuts] Man killed in quartz crystal accident

2013-11-24 Thread Bill Dailey
of competitors in that business. There are better places than NDK to buy high end bars. Bob On Nov 24, 2013, at 7:00 PM, Bill Hawkins b...@iaxs.net wrote: This is not as far from time-nutty things as it might appear. NDK makes precision crystal oscillators from those crystals. One of them

Re: [time-nuts] Man killed in quartz crystal accident

2013-11-24 Thread Bill Dailey
from a truckstop and freeway.. really. Huge pressure vessels? Bill On Sun, Nov 24, 2013 at 8:15 PM, Bob Camp li...@rtty.us wrote: Hi Well, let’s see, nearest operational facility is about 6 miles away down in the middle of town over by the High School. It’s been there since the 1950’s

Re: [time-nuts] Crude Survey Technique

2013-11-21 Thread Bill Beam
the pole vertical? Newtons laws are NOT valid in a noninertial frame. (That's why the Coriolis force was invented.) Thus the term rocket science. Bill Beam NL7F ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com

Re: [time-nuts] Crude Survey Technique

2013-11-21 Thread Bill Beam
was invented.) Bill Beam NL7F ___ 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] Mains frequency

2013-11-18 Thread Bill Dailey
that some due to the way the turbines push and pull each other. I can envision some fine whole grid oscillations due to that push and pull. bill On Mon, Nov 18, 2013 at 4:15 PM, Tom Van Baak t...@leapsecond.com wrote: Magnus, I'm going to push back a bit on your mains sampling claim. Mostly, I'd

Re: [time-nuts] Mains frequency

2013-11-18 Thread Bill Dailey
noise. The slope of the ADEV curve can help you determine what sort of noise it is. The slope(s) on an modified ADEV curve can do that slightly better. Bob On Nov 18, 2013, at 8:03 PM, Bill Dailey docdai...@gmail.com wrote: tom, nice plots. how do you figure out what the contribution

Re: [time-nuts] Mains frequency

2013-11-18 Thread Bill Dailey
hours on that particular project with other list members involved as well. As always we kept it off list to keep from offending those who place a high value on their bandwidth. Bob On Nov 18, 2013, at 9:11 PM, Bill Dailey docdai...@gmail.com wrote: I meant ideal at the noise floor of the picPET

Re: [time-nuts] Mains frequency (Tom Van Baak)

2013-11-17 Thread Bill Dailey
they were very foreign to me. Now, I am at a point where I want to attack those things because they challenge me. Also, they allow me to develop my skills at programming; which is my first technical love. bill On Sun, Nov 17, 2013 at 10:14 AM, Bob Stewart b...@evoria.net wrote: John says: However

Re: [time-nuts] Mains frequency

2013-11-17 Thread Bill Hawkins
of making up lost cycles on a daily business is not easy for utilities. A year or two ago they proposed to let the system float in order to eliminate failures caused by catching up. Fortunately for timenuts, the proposal did not become practice. Bill Hawkins St. Paul: Money is the root of all evil. Ben

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
at 6:51 PM, Bill Dailey docdai...@gmail.com wrote: 110vac--5vac--100ohm--picpet event--- python average 60 cycles-- log freq every second. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
rough comparison... I didnt have my interval right for this set. https://www.dropbox.com/s/1gi5tbf96yop5hz/stonercompare.JPG On Sat, Nov 16, 2013 at 3:02 AM, Bill Dailey docdai...@gmail.com wrote: Understood.. I have it every 6 cycles now to sync up with his synchrophaser. I wrote

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
would probably be an interesting comparison. I am working with a guy on the eastern grid part now. You arent using python for processing on the pc are you? If so, I would be interested in your script. I am trying to verify I am not a just a little off with mine. Bill On Sat, Nov 16, 2013

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
My purpose is to do it with a picpet. That's it. So, that eliminates a bunch of the options. I can decouple the measurements from the pc clock that way. Doc Sent from mobile On Nov 16, 2013, at 11:26 AM, Chris Albertson albertson.ch...@gmail.com wrote: The signal is 120 volts. You

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
the time. In fact that's one of the reasons I designed it. If you're having any trouble contact me by email. /tvb (i5s) On Nov 16, 2013, at 11:23 AM, Bill Dailey docdai...@gmail.com wrote: My purpose is to do it with a picpet. That's it. So, that eliminates a bunch of the options. I can

Re: [time-nuts] Mains frequency

2013-11-16 Thread Bill Dailey
be used, what is the question driving the measurement? On Sat, Nov 16, 2013 at 11:23 AM, Bill Dailey docdai...@gmail.com wrote: My purpose is to do it with a picpet. That's it. So, that eliminates a bunch of the options. I can decouple the measurements from the pc clock that way. Doc

Re: [time-nuts] Loran

2013-11-16 Thread Bill Riches
Wildwood is still up at 0100 z 11/17. Guess they are running all weekend. 73, Bill, WA2DVU Cape May, NJ ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

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