Re: [time-nuts] Help identifying oscillator

2010-11-30 Thread Peter Loron
Ah, interesting! Thanks for the info. -Pete On Nov 28, 2010, at 3:00 AM, K. Szeker wrote: Hi all, hese is a Synchron TDMA, or a DBS frequency... http://www5e.biglobe.ne.jp/~kaorin57/Synchronous%20TDMA%20Direct%20Satellite%20Broadcasting%20Network%20%28English%29.pdf

Re: [time-nuts] 3586A HQ PDF Manual available

2010-11-30 Thread shalimr9
Absolutely, actually, if you don't mind, I will get your marked-up scan and add it to my collection :) My own 3586A bit the dust some time ago (looks like a shorted cap across the supply somewhere), so the manual will come handy. Didier KO4BB Sent from my Verizon Wireless BlackBerry

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Ralph Smith
If you are rolling your own I would advise a Soekris net4501 (US $173 new) over any netbook for several reasons: cheaper, more rugged, better solution overall. It all comes down to requirements, budget, and who the user is (which drives the first two). If I were doing a system for myself, it's

Re: [time-nuts] 3586A HQ PDF Manual available

2010-11-30 Thread SAL CORNACCHIA
Hi Roberto,   I would be interested?   Thank You  Best regards, Sal C. Cornacchia Electronic RF Microwave Engineer (Ret.) From: Roberto Barrios rbarri...@msn.com To: time-nuts@febo.com Sent: Mon, November 29, 2010 5:18:07 PM Subject: [time-nuts] 3586A HQ

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
Basically I need something to provide time within one second. I can't roll my own in this case. At home I have a Soekris box with a custom built gps board for my normal level of time-nuttery but this is not for home. I'm looking for commercially made rack mount servers that will not have

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Scott Newell
At 08:46 AM 11/30/2010, Robert Darlington wrote: Also, I apologize if I'm breaching protocol with this thread. This is just about the first post I ever saw on this list that didn't get a steady stream of replies. I was actually questioning if this even made it into the list till I saw this

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread jimlux
Robert Darlington wrote: Basically I need something to provide time within one second. I can't roll my own in this case. At home I have a Soekris box with a custom built gps board for my normal level of time-nuttery but this is not for home. I'm looking for commercially made rack mount

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Brooke Clarke
Hi Tim: That's a fantastic $/ns value. Does the supplied software have a provision to set the PC clock? Have Fun, Brooke Clarke http://www.PRC68.com Tim Tuck wrote: Just joined the list and noticed the discussion about finding a cheap USB GPS with PPS on it. You might like to check

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Rob Kimberley
FWIW, you can't go wrong with Meinberg. Several versions to choose from, reliable, and priced well. Rob Kimberley -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Robert Darlington Sent: 30 November 2010 2:47 PM To: Discussion of

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread paul swed
Interesting for $35. Anyone actually done business with them? Says the timing is 20ns position 2 meters. Hard to believe but wonder if these might be a more modern timing receiver for GPS controlled references. Regards Paul On Mon, Nov 29, 2010 at 11:29 PM, Tim Tuck t...@skybase.net wrote: Just

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Scott Burris
I've ordered several times from Sure Electronics with no problem. Mostly 8x8 LED tiles and constant current supplies for high power LEDs. Never ordered any GPS stuff from them though, now I'm interested enough to go look at them again. Scott On Nov 30, 2010, at 8:12 AM, paul swed wrote:

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Richard W. Solomon
Is there a Users Manual or any such thing for it ? It would be fun to play with if only I knew what to do with it !! 73, Dick, W1KSZ -Original Message- From: paul swed paulsw...@gmail.com Sent: Nov 30, 2010 9:12 AM To: Discussion of precise time and frequency measurement

Re: [time-nuts] beats was Re: If there a FAQ

2010-11-30 Thread William H. Fite
Something my primary flight instructor pointed out to me years...yea, decades ago. Haven't thought about it since then. I expect you can do the same thing with an electric fan. Bill On Mon, Nov 29, 2010 at 1:53 PM, Mike Naruta AA8K a...@comcast.net wrote: Have you ever tried humming while

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Had
Thanks for the heads up Tim. Just ordered one, we will see how it works out. Had K7MLR At 08:29 PM 11/29/2010, you wrote: Just joined the list and noticed the discussion about finding a cheap USB GPS with PPS on it. You might like to check these out...

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tom Van Baak
Is there a Users Manual or any such thing for it ? It would be fun to play with if only I knew what to do with it !! See: http://www.sureelectronics.net/goods.php?id=98 http://www.sureelectronics.net/pdfs/GP-GS009_Ver1.0_EN.pdf Bluetooth version: http://www.sureelectronics.net/goods.php?id=99

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Chris Albertson
http://www.sure-electronics.net/download/GP-GS010_Ver2.0_EN.pdf On Tue, Nov 30, 2010 at 8:28 AM, Richard W. Solomon w1...@earthlink.net wrote: Is there a Users Manual or any such thing for it ? http://www.sure-electronics.net/download/GP-GS010_Ver2.0_EN.pdf -- = Chris Albertson Redondo

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Rix Seacord
Like others I am awaiting the receipt of this unit. I have just read the schematic and noticed the power connector is reverse wired from the norm. This may be a trap if its true. Somebody wanna check this out and post a note??? Rix Seacord K2AVP eseac...@verizon.net 845-628-0892 914-262-9186

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tom Van Baak
Both are based on the SkyNav GM10 GPS module: http://www.sureelectronics.net/pdfs/GP-GS007-pdf.pdf which is also found here: http://www.asichip.com/pdf/SkyNav_GM10_DS_0724.pdf /tvb Correction: the user manual appears out of date. Specs on the newer Mstar MG1613S receiver are here:

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Chris Albertson
On Tue, Nov 30, 2010 at 6:46 AM, Robert Darlington rdarling...@gmail.com wrote: Basically I need something to provide time within one second.  I can't roll my own in this case. I assume you don't have internet access. If you had access only a few times per day you can get better than 1 second

Re: [time-nuts] beats was Re: If there a FAQ

2010-11-30 Thread Mark J. Blair
On Nov 30, 2010, at 8:42 AM, William H. Fite wrote: I expect you can do the same thing with an electric fan. Or by chewing something crunchy (like ice) while watching a raster-scanned (CRT) television. -- Mark J. Blair, NF6X n...@nf6x.net Web page: http://www.nf6x.net/ GnuPG public key

Re: [time-nuts] If there a FAQ

2010-11-30 Thread Chris Albertson
On Tue, Nov 30, 2010 at 5:33 AM, shali...@gmail.com wrote: Just find any HP 10811, by itself or inside an instrument (you can often buy a whole instrument with an internal 10811 cheaper than you can buy the 10811 by itself). What HP instruments would have the HP 10811 inside? --

Re: [time-nuts] If there a FAQ

2010-11-30 Thread J. L. Trantham, M. D.
My favorite has been the 5334B with Option 010. Joe -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on Behalf Of Chris Albertson Sent: Tuesday, November 30, 2010 1:29 PM To: shali...@gmail.com; Discussion of precise time and frequency measurement

Re: [time-nuts] If there a FAQ

2010-11-30 Thread Bob Bownes
You can very often pick up a 5328 with the 10811 in it for $20 plus shipping. Last one I bought was $15 including shipping... Bob On Tue, Nov 30, 2010 at 3:29 PM, J. L. Trantham, M. D. jlt...@att.net wrote: My favorite has been the 5334B with Option 010. Joe -Original Message-

[time-nuts] Fw: If there a FAQ

2010-11-30 Thread shalimr9
Sent from my Verizon Wireless BlackBerry -Original Message- From: shali...@gmail.com Date: Tue, 30 Nov 2010 20:49:53 To: Chris Albertsonalbertson.ch...@gmail.com Reply-To: shali...@gmail.com Subject: Re: [time-nuts] If there a FAQ Many signal generators and counters, signal analyzers

[time-nuts] Getting Lady Heather v3 beta to display temp graph

2010-11-30 Thread harmon52
My screen is showing the yellow temp just above the graph, currently 108 degrees F, but I can't get the temp graph to draw. Could somebody point me to the correct command? Thanks, Bob ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe,

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tim Tuck
On 01/12/2010 05:10, Rix Seacord wrote: Like others I am awaiting the receipt of this unit. I have just read the schematic and noticed the power connector is reverse wired from the norm. This may be a trap if its true. Somebody wanna check this out and post a note??? Hi Rix, What power

Re: [time-nuts] 3586A HQ PDF Manual available

2010-11-30 Thread paul swed
Just want to say a very nice job that you have done Roberto. Regards Paul WB8TSL On Tue, Nov 30, 2010 at 9:26 AM, SAL CORNACCHIA salc...@rogers.com wrote: Hi Roberto, I would be interested? Thank You Best regards, Sal C. Cornacchia Electronic RF Microwave Engineer (Ret.)

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread paul swed
Tim did you order it through Aus ebay? I wonder if they have an outlet on the US ebay or should I say epay. Interested to hear more from anyone doing business with them. Especially if this receiver does do the 20 ns timing as stated. On Tue, Nov 30, 2010 at 5:10 PM, Tim Tuck t...@skybase.net

[time-nuts] Getting Lady Heather v3 beta to display temp graph

2010-11-30 Thread Mark Sims
Switch back to degrees C.   There is a bug... uhhh... undocumented feature that affects the graph scaling in any of the alternate temperature systems.  Should be fixed shortly...

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tim Tuck
On 01/12/2010 09:33, paul swed wrote: Tim did you order it through Aus ebay? I wonder if they have an outlet on the US ebay or should I say epay. Interested to hear more from anyone doing business with them. Especially if this receiver does do the 20 ns timing as stated. Hi Paul, I bought

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Greg Dowd
Rob, you wound me :-) Actually, the Meinberg unit is a great box. The commercial devices pretty much all fit the need that you describe. One caution I would make about them is the note about the environmentals. From experience I can tell you that a HV is a very harsh environment for shock and

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
Hi Greg (and everyone!) The environment will be dusty and hot and cold and hot and cold... There will be air conditioning but probably not much in the way of filtering. Diesel and gas generators run out of fuel, UPS's are probably not going to be going along with our stuff since they're too

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
Er, rather, add 7 hours. You get the idea. On Tue, Nov 30, 2010 at 6:10 PM, Robert Darlington rdarling...@gmail.comwrote: Hi Greg (and everyone!) The environment will be dusty and hot and cold and hot and cold... There will be air conditioning but probably not much in the way of

[time-nuts] NMEA 0183

2010-11-30 Thread Jim Conley
I have a copy of NMEA 0183 Versions 2.30 and 3.00. I will send any specific information on a sentence or sentence structure, however I will not copy a complete page. This is a copyrighted document of about 100 pages and NMEA still sells the document. Jim Conley N0OBG -- The heart of

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Hal Murray
But, I suspect that if you're doing it at work, the cost of your time to scrounge, assemble, document, and test would be more than just writing a check for a kilobuck or so to any of the commercial vendors, which would get you a shiny new debugged box with a user manual and a warranty.

Re: [time-nuts] NMEA 0183

2010-11-30 Thread Chris Albertson
A quick over view http://en.wikipedia.org/wiki/NMEA_0183 more details http://gpsinformation.org/dale/nmea.htm Because NMEA is plain ascii text you can send it to a text file and read it to see what you are getting . Devices do not send all posable sentences they send a subset or maybe 8 or 12

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Hal Murray
Basically I need something to provide time within one second. I can't roll my own in this case. At home I have a Soekris box with a custom built gps board for my normal level of time-nuttery but this is not for home. I'm looking for commercially made rack mount servers that will not have

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
That's exactly what we've done in the past (setting it when on the network and letting the clock do what it wants) and that's fine. The actual time isn't as important as the agreement on what time it is. This is certainly the cheaper way to go and is becoming a viable option. I agree about the

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Rix Seacord
Tim Sorry in my haste I did not realize there were 2 distinctly different modules. With or without bluetooth. The sans bluetooth module has a coaxial connector for +5v input which is weird since, as you say the usb port powers the unit. On the schematic left side there what looks like a

Re: [time-nuts] If there a FAQ

2010-11-30 Thread Joe
On Sun, 2010-11-28 at 21:41 -0800, Chris Albertson wrote: WWV at 10MHz is not bad at all. My current system is a cheap $0.75 10Mhz crystal tuned with a screwdriver on a veritable trimmer capacitor. I know I can zero-beat it by ear and get within a couple Hz out of 10MHz. That is better

Re: [time-nuts] If there a FAQ

2010-11-30 Thread J. Forster
It all depends on what your goal is. A couple of Hertz at 10 MHz will keep you well within any of the HF ham bands. The following addresses beyond the 'Gotta stay in the band' issue. The problem with the Zero-beat-WWB-at-10-MHz technique is that WWB is changing frequency. Not at the

[time-nuts] Z3801A/58503A Help

2010-11-30 Thread Jerry
Just joined the list and I am looking for some advise. I just bought a Z3801A/58503A from an outfit in China to use as a frequency and time standard for Ham radio. I am undergoing a learning curve as I try to get my mind around the technology. The package came with an antenna and some software

Re: [time-nuts] Z3801A/58503A Help

2010-11-30 Thread SAIDJACK
Hi Jerry, I have the same unit, the power supply works just fine as it is for me. Make sure you do a survey-in for your new antenna position... Send command: :gps:pos:surv once bye, Said In a message dated 11/30/2010 20:51:55 Pacific Standard Time, jreed...@cox.net writes: Just

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tim Tuck
On 01/12/2010 15:04, Rix Seacord wrote: Tim Sorry in my haste I did not realize there were 2 distinctly different modules. With or without bluetooth. The sans bluetooth module has a coaxial connector for +5v input which is weird since, as you say the usb port powers the unit. On the schematic

Re: [time-nuts] Cheap GPS with USB, RS232, BLuetooth and PPS :)

2010-11-30 Thread Tim Tuck
On 01/12/2010 02:27, Brooke Clarke wrote: Hi Tim: That's a fantastic $/ns value. Does the supplied software have a provision to set the PC clock? FYI. just tried the module with Tardis http://www.kaska.demon.co.uk/ and it works fine, my Windows 7 PC now thinks its a stratum 1 clock :)

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Chris Albertson
I had suggested the same thing. In fact I'd argue not having an NTP box is more reliable than having one. A non-esistant box can't fail. But don't run just one NTP server, run one on every non-overloaded server. You clients will automatically sync with whichever server is best On Tue, Nov 30,

Re: [time-nuts] Z3801A/58503A Help

2010-11-30 Thread Hal Murray
I have run the Z38XX software but I dont really understand yet what the charts are telling me, outside of the sat signal strength and pattern. There is lots and lots of info on the Z3801A out on the web. (Time sink warning.) Here is a good place to start:

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
That won't work in my application. I can't run anything on any server but one I provide specifically for time, which is why I'm looking at dedicated time servers. Believe me when I say this crossed my mind and was crossed off the list. Just about every system is MS Windows based which means

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Hal Murray
rdarling...@gmail.com said: That's exactly what we've done in the past (setting it when on the network and letting the clock do what it wants) and that's fine. The actual time isn't as important as the agreement on what time it is. This is certainly the cheaper way to go and is becoming a

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread Robert Darlington
There are sometimes delays up to 30 minutes or so due to processing of sensor data till it makes it into my system which is also way out in the field. Imagine a shipping pallet full of equipment that gets air dropped into the middle of nowhere. That IS my network, and it has no connection to

Re: [time-nuts] OT: NTP server questions

2010-11-30 Thread scmcgrath
I think we are getting precision and accuracy confused, And they are quite different, In the time-nut world we use them as synonyms, In reality its possible to have a precise measurement which is not accurate (think instrument with bad timebase it's repeatable and reads out to a high