Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

and Ohms data: http://www.prc68.com/I/HP3458DVM.shtml#T1 Force a browser refresh to see the latest schematic. Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

need to shiftreload page to see it. Have Fun, Brooke Clarke http://www.prc68.com Ed Palmer wrote: You're right. Sorry. Brooke, now that you know the source of at least this problem, have you considered powering up the system by applying DC to the inputs of the regulators? This would allow you

Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

only support 125 ma. and the line fuse would be 1.5 Amp so offers no protection. Best to put a fuse at the input to the board as a way to protect A4 from this mistake. Could probably run it without the Zener diodes, but will replace them prior to powering it up. Have Fun, Brooke Clarke

Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

Hi Greg: I tried both Blue then Error and Blue and Error and could not get anything, i.e. the display just showed ISOLATOR DTACK Have Fun, Brooke Clarke http://www.prc68.com Greg Burnett wrote: Brooke: ...Correction to my last post... If I remember correctly, you would hit key shift blue

Re: [time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

Hi: I've started a web page for the HP 3458A and it's problem with more info at: http://www.prc68.com/I/HP3458DVM.shtml Have Fun, Brooke Clarke http://www.prc68.com Brooke Clarke wrote: Hi Greg: I tried both Blue then Error and Blue and Error and could not get anything, i.e. the display

Re: [time-nuts] Position accuracy to improve Thunderbolt performance

Hi Warren: I've found Google Earth to be very accurate, but Google maps not so accurate. You can see the elevation by moving the cursor over the spot. Have Fun, Brooke Clarke http://www.prc68.com WarrenS wrote: Does anyone know how accurate Google map is for Lat Lon in California? I can see

Re: [time-nuts] Where does 28V come from?

in the sky. The 12/14 volt system can see a range of 10 to 15 Volts and the 24/28 volt system will see a range of 20 to 30 Volts. Have Fun, Brooke Clarke http://www.prc68.com Hal Murray wrote: That said, the modules also appear to be powered by 28VDC, add some regulation, you could use

Re: [time-nuts] AC cord or connector for 5061A

Hi Joe: Phone William Perry for used and new connectors at a reasonable price. http://www.prc68.com/I/MSD.shtml#W Have Fun, Brooke Clarke http://www.prc68.com J. L. Trantham wrote: Does anyone know of a source for a power cord for the 5061A (or 5061B, 5065A, etc.)? I am looking for 3 cords

Re: [time-nuts] OT - Feynman lecture series on Physics hosted by Microsoft

Hi Mike: Yes, I installed Silverlight. I haven't tried the saving for off line, but plan to because the .avi files (after renaming) do not play. Have Fun, Brooke Clarke http://www.prc68.com Mike Monett wrote: time-nuts-requ...@febo.com wrote: Hi: I've been watching these in IE6

Re: [time-nuts] OT - Feynman lecture series on Physics hosted by Microsoft

are available. But this is a handy thing to know about. Have Fun, Brooke Clarke http://www.prc68.com Mike Monett wrote: The Character of Physical Law - Richard Feynman, parts 1 to 5 were removed due to copyright complaint, but they are still available on RapidShare, along

Re: [time-nuts] Accurate Thunderbolt position

, etc. It's an iterative process. Have Fun, Brooke Clarke http://www.prc68.com Mark Sims wrote: Well, I implemented a test of getting the tbolt to lock in a precise location. After entering 3D-fix mode, it would fairly reliably output a location within 1 foot of my surveyed (within 4mm lat/lon

Re: [time-nuts] GPS frequency standard help

at least one GPS satellite. See: http://www.prc68.com/Alpha.shtml#T There may be another Time-Nuts group buy coming up. Have Fun, Brooke Clarke http://www.prc68.com Chris Bridge wrote: Hi All, This is my first post here, the second that John will see. The amount of information available

Re: [time-nuts] Mil Spec Source (was) FE-150A 5 MHz

or Acrobat icon. On the next page are three documents * Inactivation * Rev A * Base Document just click on the Adobe icon to get them. More on my Manuals web page: http://www.prc68.com/I/Man.shtml#FSCS Have Fun, Brooke Clarke http://www.prc68.com Rex wrote: Back on Jun 11, 2007 I posted

[time-nuts] Lady Heather Request Sig Str vs 0- 24 Sidereal hrs

each other if the signal strength plot used siderial time instead of UTC. Is there a way to plot the signal strength for each SV vs. sidereal time 0 to 24 hours? -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Ideas for a long-wave receiver sought

://www.rfspace.com/SDR-IQ.html http://groups.yahoo.com/group/SDR-IQ/ Have Fun, Brooke Clarke http://www.prc68.com Marc Balmer wrote: Hi I want to build a small, cheap, yet precise long-wave receiver which can be tuned from the computer in the 2KHz - 200 KHz range (the intended use is to receive

[time-nuts] SDR-IP with 10 MHz Cesium and 1 PPS Input

-IP.html http://groups.yahoo.com/group/SDR-IP/ The existing SDR-IQ and SDR-14 are now being used in a number of space related activities, see: http://www.rfspace.com/BLOG/BLOG.html -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list

Re: [time-nuts] Ideas for a long-wave receiver sought

Hi Poul: The SDR-IQ has holes in the PCB for an SMA jack and there's a jumper/resistor used to select either the on board 66 MHz crystal oscillator or the external source. See: http://www.prc68.com/I/Bats.shtml#SDRIQ Have Fun, Brooke Clarke http://www.prc68.com Poul-Henning Kamp wrote

Re: [time-nuts] Thunderbolt - any negatives ?

Hi Mike: I think it's National semi that has an app note talking about how the topology relates to noise output. Some are bad others are much better. Have Fun, Brooke Clarke http://www.prc68.com Mike Monett wrote: And be mindful that some frequency-standard devices contain

Re: [time-nuts] Satellite Glitch Rekindles GPS Concerns

. Have Fun, Brooke Clarke http://www.prc68.com Mike Monett wrote: An article in NetWork World discusses performance degredation in the new Lockheed-built GPS IIR-2 satellite. Apparently. the new L5 transmissions are interfering with other signals from the satellite

Re: [time-nuts] Satellite Glitch Rekindles GPS Concerns

Hi again Mike: The IIR-2 satellite was launched in order to meet a deadline rather than when it was truly fully operational. The L5 module is an add on and can not run at full power. So this is not a representative of the future sats. Have Fun, Brooke Clarke http://www.prc68.com Mike

[time-nuts] Ashtech Z-12-R Operation?

Hi: I got an Ashtech Z-12-R that powers up and displays the start up screen, see: http://www.prc68.com/I/AshtechZ12.shtml But it does not progress or respond to button presses. Does someone have a pdf manual or know how to kick start one of these? Have Fun, Brooke Clarke

Re: [time-nuts] Ashtech Z-12-R Operation?

Hi Tom: How can I tell if the external clock is working? I'm using Thunderbolt - HP 8648A - Z-12. Have Fun, Brooke Tom Van Baak wrote: Hi: I got an Ashtech Z-12-R that powers up and displays the start up screen, see: http://www.prc68.com/I/AshtechZ12.shtml But it does not progress or

Re: [time-nuts] Ashtech Z-12-R Operation?

Hi: Holding down the ^ (up arrow) while turning on the power switch sets it to factory defaults. I also have the external 20 MHz into the Ref Freq input. Now it's tracking sats and displaying the GMT time correctly and a position good to 0.0001 minutes of Lat and Lon., i.e.: 39:11.4065 N

Re: [time-nuts] 747 Chronometer

the mating plug. Figuring out the pin out is also not that difficult if you can open it up. I'm working on a major addition to my connectors web page to help do some of that. http://www.prc68.com/I/Conn.shtml Have Fun, Brooke Clarke http://www.prc68.com Charles Rushing wrote: Greetings

Re: [time-nuts] WTB: 10 Volt L1 L2 GPS Antenna

Thanks Björn: I've got both of them on order and it's a way to start using the Z-12. But my L1/L2 antennas are military patch types and for the Z-12 I'd like to use a geodetic grade (ground plane or choke ring) antenna long term. Have Fun, Brooke Clarke http://www.prc68.com b

[time-nuts] WTB: 10 Volt L1 L2 GPS Antenna

is the Trimble 4000ST L1 Geodetic, Model 14177-00 a 10 Volt antenna? http://www.prc68.com/I/Trimpack.shtml#4000STant -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com

Re: [time-nuts] WTB: 10 Volt L1 L2 GPS Antenna

Hi Glenn: Yes, I've thought about doing that, but then priced a small Pomona box at $50 and thought just getting the proper antenna would be easier and not that much more money. Have Fun, Brooke Clarke http://www.prc68.com Glenn Little WB4UIV wrote: You could put a regulator

Re: [time-nuts] GPS-audio interface

a number of LEDs. The main use if for star occulation timing. http://www.geocities.com/kiwi_36_nz/kiwi_osd/kiwi_osd.htm Have Fun, Brooke Clarke http://www.prc68.com Lux, James P wrote: I'm looking for a way to take GPS time and generate a signal that can be recorded on the audio track of a video

Re: [time-nuts] GPS L5 received, according to Javad

Hi Poul: That should allow better determination of the propagation path length when combined with the L1 C/A signal. Next year when L1CS, L1CM, L1CL, L2CS, L2CM and L2CL signals are added it's going to really get interesting. Does Javad make a timing receiver? Have Fun, Brooke Clarke http

Re: [time-nuts] Data Precision 8200 Voltage Standard

/HaT.shtml#Wgw Another possible problem relates to electrolytic caps where the electrolyte has gone bad. You need an Effective Series Resistance (ESR) meter to check them, see Capacitor Failure: http://www.prc68.com/I/HaT.shtml#CF Have Fun, Brooke Clarke http://www.prc68.com Skip Withrow wrote

[time-nuts] HP 117 A On eBay

(upside down hp logo). -- Have Fun, Brooke Clarke http://www.prc68.com ___ 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] Solartron 7081 ROMs

Hi Dave: I've read that there are some tricks to coaxing the data from memory chips related to reading them under different conditions. It's a lot of work, but it's possible to disassemble the code. That would allow it to be repaired. Have Fun, Brooke Clarke http://www.prc68.com David

Re: [time-nuts] DSP WWVB Receiver Idea

Hi Max: That's what I was talking about. The HP 117 is really a frequency comparator and it displays that phase shift. The magnitude of the shift is a sanity check on the plot scale factor. http://www.prc68.com/I/117A.shtml Have Fun, Brooke Clarke http://www.prc68.com Max Robinson wrote

[time-nuts] DSP WWVB Receiver Idea

looking at the AM signal). I don't know DSP methods so am asking is there a way to demodulate the signal with a very narrow effective bandwidth so that the s/n is good 24/7 even on the left and right coasts? -- Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] Spring cleaning and antenna placement

Hi Magnus: The improvement is probably due to a noise figure reduction from use of the LNA if it's near the antenna rather than at the receiver end of the cable run. Have Fun, Brooke Clarke http://www.prc68.com Magnus Danielson wrote: Magnus Danielson skrev: b...@lysator.liu.se skrev

Re: [time-nuts] Loran-C French Clocks

Hi Poul: I've more than once misread a clock display of the type 12:34:05. I've noticed that military clocks show 1234:05 and there's no mistaking the time. Seems like a more foolproof display format. Have Fun, Brooke Clarke http://www.prc68.com Poul-Henning Kamp wrote: In message c5e4ee4d

Re: [time-nuts] Question about specifications for Quartzlock GPS antenna down-converter

.com/I/Q5200.shtml Have Fun, Brooke Clarke http://www.prc68.com Russell Rezaian wrote: Hi all, I have found myself with a GPS clock that is labeled as requiring a GPS down converter antenna. It won't sync to any of my normal antennas. Looks like it has an up-converter integrated

Re: [time-nuts] pneumatically synchronized clocks

Union Self Winding Clocks which were in use for a long time were based on patent 611822 4 Oct 1898, not that much different from the above. There may have been 500,000 of these in service. http://www.prc68.com/I/SWCC.shtml#Pat Have Fun, Brooke Clarke http://www.prc68.com Marc Bury wrote: Some more

[time-nuts] Multipath Testing

Hi: I would like to have a way of measuring the multipath effecting my house GPS antenna both in terms of it's effect on position and on timing. Can this be done using the M12+T? -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts

[time-nuts] Pendulum Clock Synchronization

that runs on a single AA cell. The problem with these is that the voltage is about 300 VDC, but that may be OK if current limited to 250 ma (abut 1200 Ohms). See: http://www.prc68.com/I/LED.shtml#SUCFBO -- Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] WWVB Wall and Travel Clocks On Sale

Hi Tom: I've looked at dozens of Sony Dream Machine clocks on eBay and none of them have WWVB capability. Some are called preset or self setting, but these may just be using a button cell back up clock. What is the model number of your Sony WWVB clock? Have Fun, Brooke Clarke http

Re: [time-nuts] WWVB Wall and Travel Clocks On Sale

in Tom's clock. http://www.prc68.com/I/Loop.shtml#CMMR6P60 I connected the CMMR-6P-60 to a couple of AA batteries and it's been blinking for the last month or two. But that data is very noisy. Have Fun, Brooke Clarke http://www.prc68.com Ed Palmer wrote: Hi Brooke, Is there something special

Re: [time-nuts] Thunderbolt serial port

Hi Brian: There have been a small number of problems related to poor solder joints on U9 (RS-232 chip) or the serial connector. see: http://www.prc68.com/I/ThunderBolt.shtml#Maint Have Fun, Brooke Clarke http://www.prc68.com bjon...@mindspring.com wrote: I'm tired of banging my head against

Re: [time-nuts] DIY Frequency extension for HP Agilent 53181A, 53131A or 53181A

3 4 5 6 7 8 9 10 IC packages are numbered: 1 0 9 8 7 6 1 2 3 4 5 Have Fun, Brooke Clarke http://www.prc68.com Samuel D. [x86/CPC] wrote: If you download the 53132A component level information manual from the Agilent site you'll find a schematic of the channel 3 board with values and J2

Re: [time-nuts] Thunderbolt disciplining process

Hi Dick: It's U9 listed in the IC table at: http://www.prc68.com/I/ThunderBolt.shtml#IC which you can also see in the lower left corner the board drawing at: http://www.prc68.com/I/ThunderBolt.shtml#Dwg This is a pdf drawing so you can use the + button a number of times. Have Fun, Brooke

Re: [time-nuts] Tbolt temperature sensor

with Agilent as a consultant and he has a patent on this concept. Have Fun, Brooke Clarke http://www.prc68.com Tom Van Baak wrote: The whole purpose of a GPSDO with an expensive double oven OCXO is to provide extremely high quality holdover performance when GPS signals go away. To achieve this level

Re: [time-nuts] Lady Heather's Window, font size

setting. Also regarding fonts. There are fixed fonts, like courier, and True Type variable fonts that scale, like Times New Roman. Have Fun, Brooke Clarke http://www.prc68.com Didier wrote: I have found it difficult to find out from within a Windows program how big or small a particular font

Re: [time-nuts] HP 4352A/B with different signal generator

Hi Matt: Where can I get one for that price? The Sig Gen phase noise is the driving spec since it needs to be better than the phase noise of the VCO you are measuring. Have Fun, Brooke Clarke http://www.prc68.com Matt Ettus wrote: Does anyone know if it is possible to use the HP4352A/B VCO

Re: [time-nuts] Canada's 5,000 year old calendar

Hi Magnus: MICA is a package done by USNO that I use to check astronomical events for my location. http://www.willbell.com/almanacs/almanac_mica.htm good back to only 1800. Starry Night is rated for 4713 BC to AD http://www.starrynightstore.com/17236.html#learnmore Have Fun, Brooke

Re: [time-nuts] Any experienced HP 2804A thermometer users out there?

. The newer 126 does not have that problem. http://www.prc68.com/I/HaT.shtml#60PP9202 waiting for the ICs to get here. Have Fun, Brooke Clarke http://www.prc68.com John Ackermann N8UR wrote: The temperature probes for the 2804A quartz thermometer seem primarily intended for liquid immersion. I'm

Re: [time-nuts] Any experienced HP 2804A thermometer users out there?

thermistors for about $50 each (good to AFAICR 1 deg c). Have Fun, Brooke Clarke http://www.prc68.com John Ackermann N8UR wrote: The temperature probes for the 2804A quartz thermometer seem primarily intended for liquid immersion. I'm looking for practical tips on how to couple the probe

Re: [time-nuts] Any experienced HP 2804A thermometer users out there?

were devices in metal packages that were essentially mirrors. Have Fun, Brooke Clarke http://www.prc68.com Poul-Henning Kamp wrote: In message a06240501c5a0f2095...@[192.168.0.24], David Forbes writes: I had to do PC board temperature monitoring a few years ago, These days, nothing beat

[time-nuts] GPS Time to Year?

Hi: It's my understanding that the slowest time data from GPS is the 10 bit week number. How does a GPS receiver come up with the current Year? -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] beryllium oxide

Hi Bruce: Thanks for the MDA Technology link. I didn't know that Beryllium was used to make mirrors and their metering structures for space apps. It sure sounds like the best material for that use. I'd bet that's how spy sat mirrors are made. Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] WWV / WWVH / WWVB

Fun, Brooke Clarke http://www.prc68.com Poul-Henning Kamp wrote: In message 91981b3e0901131942x68117af5wbf96191c4f766...@mail.gmail.com, Chris Kuethe writes: On Tue, Jan 13, 2009 at 7:30 PM, Brooke Clarke bro...@pacific.net wrote: Hi Scott: Press F5 at: http://www.prc68.com/I/Loop.shtml

Re: [time-nuts] WWV / WWVH / WWVB

Hi Scott: Press F5 at: http://www.prc68.com/I/Loop.shtml#CMMR6P60 and scroll down to see a scope image. Not sure if the dots are caused by the sampling scope or by noise? Have Fun, Brooke Clarke http://www.prc68.com Scott Newell wrote: At 06:57 PM 1/11/2009, Brooke Clarke wrote: Hi: I've

Re: [time-nuts] WWV / WWVH / WWVB

the parts needed to make it work. In addition the kit includes a 60 x 10 mm loop stick that has a resonating cap attached at the antenna. Photo and more info at: http://www.prc68.com/I/Loop.shtml#CMMR6P60 Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] WWVB Outages?

Hi Greg: It's 5 by 9 here in N. Calif. Have Fun, Brooke Clarke http://www.prc68.com Greg Burnett wrote: Anybody seeing the WWVB outage right now? It's apparently off the air, but I don't see that fact indicated at NIST's WWVB Field Strength and Readability... site: http://tf.nist.gov/tf

Re: [time-nuts] Help ID Display

on different ways to control them. For example you can use a multi-wire parallel approach, or various ways to use fewer I/O pins on the uC. Have Fun, Brooke Clarke http://www.prc68.com Richard W. Solomon wrote: I have a nice looking display that I salvaged from a piece of Cell Phone Site

Re: [time-nuts] How are you going to spend your extra second?

Fun, Brooke Clarke http://www.prc68.com Mark Sims wrote: Unfortunately, in many US cities, getting shot on New Years is an all too common occurance. Knuckle dragging idiots celebrate with lots of booze, ammunition, and firearms. At the stoke of midnight they unleash a hail of gunfire

Re: [time-nuts] Lady Heather's Disciplined Oscillator (Thunderbolt) Software

Hi Norman: For more on Lady Heather, see: Lady Heather's Box http://www.imdb.com/title/tt0534712/ Melinda Clarke (related?) http://www.imdb.com/name/nm0164918/ Have Fun, Brooke Clarke http://www.prc68.com Norman J McSweyn wrote: Who cares about T and F! More about Lady Heather, please

Re: [time-nuts] He is a Time-Nut Troublemaker....

, Brooke Clarke http://www.prc68.com ___ 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] Thunderbolt Accuracy needs...

Hi Tom: Or, certifiable that it was reading low getting you out of a ticket. The judge told me I could use this only once. Have Fun, Brooke Clarke http://www.prc68.com Thomas A. Frank wrote: On Dec 20, 2008, at 6:03 PM, Burt I. Weiner wrote: I suppose a good comparison would be: How

Re: [time-nuts] Trimble GPS Antenna's

Hi Roy: I have some info on what antennas are allowable for the ThunderBolt at: http://www.prc68.com/I/ThunderBolt.shtml#Ant Note the earlier Trimble Trimpack receivers needed 41 dB of gain between the antenna and receiver, but the Thunderbolt only needs 18 to 35 dB. Have Fun, Brooke Clarke

Re: [time-nuts] GPS signal simulator

. There is a very strong correlation between the hardware and the ICD-200 GPS spec. Have Fun, Brooke Clarke http://www.prc68.com WarrenS wrote: In my quest to keep improving my GPSDO, a simple test tool that I find indispensable is a GPS 1PPS (or 100Hz) signal simulator reference. Others may also

Re: [time-nuts] Ulrich, re PRS10

than competitive products. Have Fun, Brooke Clarke http://www.prc68.com Richard Moore wrote: Ulrich, at the Stanford site, I found the manual for the PRS10 -- thanks for the link. The manual has very thorough descriptions of the circuits, but doesn't have schematics -- which I thought

Re: [time-nuts] Heathkit GC-1000

Hi Brad: The GC-1000 has an error of some number of hours when displaying DST if you don't live in the Colorado time zone twice a year. For more about it see: http://www.prc68.com/I/timefreq.shtml#WWV Have Fun, Brooke Clarke http://www.prc68.com Brad Stockdale wrote: Hello all, Back

Re: [time-nuts] Voltage Standards

a drawing on the National Semi web site for a Valox plastic shield for the LM199, but there's not any other info about it or the specified material. http://www.national.com/packaging/mkt/h04d.pdf Brooke Clarke http://www.prc68.com ___ time-nuts mailing list

Re: [time-nuts] V standards

Hi Dick: I got the impression that the tempcos of the two parts were different and by blending them the resultant was lower than either (zero for the set point). Have Fun, Brooke Clarke http://www.prc68.com Richard Moore wrote: RE Brooke Clarke and Warren S posts: Message: 6 Date: Sat

Re: [time-nuts] Voltage Standards

Hi Bruce: Do you know how the Agilent 4352 VCO tester generates the very clean programmable control voltage for the VCO? Also why polysulphone for the thermal can for the LM399? Would Delrin or Nylon work? Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] US Shipping Was huntron tracker advice

. But that requires a customs form be filled out and attached to the package and most of the time also a trip to the Post Office. So there's an added cost both in terms of dollars and time. Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list

Re: [time-nuts] M12+T more confusion

Hi Norman: Can you save the LV program to run with version 7 and email it program to me? Have Fun, Brooke Clarke http://www.prc68.com Norman J McSweyn wrote: Matt Osborn wrote: I'm not a Labview expert, but I've seen Labview do that with messages from other devices. Labview (or more likely

Re: [time-nuts] M12+T ASCII interface - I'm confused?

Hi Stephan: I've heard from Art at Synergy that the latest i-Lotus versions of the M12+T receivers have NMEA enabled. That's to say you can switch to that protocol. Have Fun, Brooke Clarke http://www.prc68.com Stephan Sandenbergh wrote: Hi, NMEA would have been nice

Re: [time-nuts] WWV / WWVH / WWVB

that you filter out close by RF signals. Here is a 0 to 200 kHz spectrum plot: http://www.prc68.com/I/Spec_0002.shtml you can see that there are plenty of signals there. Have Fun, Brooke Clarke http://www.prc68.com Brad Stockdale wrote: Hello all, Thank you to everyone that has helped

Re: [time-nuts] M12+T ASCII interface - I'm confused?

Hi Stephan: I was wrong about the stuffing. Got confused with other protocols. All the Motorola @@ packets are a fixed length. Have Fun, Brooke Clarke http://www.prc68.com Brooke Clarke wrote: Hi Stephan: Check the manual for stuffing, it's not a Thanksgiving term here but has to do

Re: [time-nuts] TBolt in the house!

Hi Dick: Did you set the COM port number? Right click with the cursor on the window. http://www.prc68.com/I/ThunderBolt.shtml#TBM Have Fun, Brooke Clarke http://www.prc68.com Richard Moore wrote: Hi, nuts -- I just got my TBolt from h-whole-bunch-of-b's-bob in China. He nicely gave me

Re: [time-nuts] TBolt in the house!

Hi Dick: Not only the port number but also the serial parameters, see: http://www.prc68.com/I/ThunderBolt.shtml#TBM That's why I gave you the right click hint. Have Fun, Brooke Clarke http://www.prc68.com Richard Moore wrote: Message: 2 Date: Thu, 20 Nov 2008 15:36:48 -0800 From: Brooke

Re: [time-nuts] M12+T ASCII interface - I'm confused?

like. But go with it and if it's wrong the program will cycle around to where you are on packet boundaries. Have Fun, Brooke Clarke http://www.prc68.com Stephan Sandenbergh wrote: Hi All, Up until now we've been interfacing my Motorola M12+T's using the Oncore software. However

Re: [time-nuts] Oh the horror

Hi: I've had my share of disaster shipments and most of them were the fault of the sender's packaging, not the carrier. See: http://www.prc68.com/I/Pack.shtml#WgW Including an FTS4060 band strapped to a pallet! (it did not survive) Have Fun, Brooke Clarke http://www.prc68.com

Re: [time-nuts] Leap second glitches on NTP using Z3801A

Hi Eric: So that you can figure out UTC. But there's no DST bit on any of the satellites so for that you need a local time broadcast. Have Fun, Brooke Clarke http://www.prc68.com Eric Garner wrote: Ascending from Lurk Mode, I have a (possibly stupid) question: according to http

Re: [time-nuts] Leap second glitches on NTP using Z3801A

Hi Eric: The GPS time scale can not have any jumps or there would be corresponding position jumps. Have Fun, Brooke Clarke http://www.prc68.com Eric Garner wrote: Sorry for not forming my question better. I guess what I wanted to know is that given that the first leap second was in 1972

Re: [time-nuts] What's all this about violins in the streets?

behind, not sync, etc. I wonder which way Bill's friend's clock was off? Have Fun, Brooke Clarke http://www.prc68.com Brian Kirby wrote: I figure there is no CRC check for the WWV clocks. I had on lose it for about 3 days in the middle of summer, and then it picked it back up and has

Re: [time-nuts] Checking the Frequency of a Rubidium Oscillator

://zone.ni.com/devzone/cda/tut/p/id/8015 The definitions on this page for the various Time To First Fix flavors may not be accurate. Have Fun, Brooke Clarke http://www.prc68.com [EMAIL PROTECTED] wrote: I have an EIP Model 548 counter with a YIG-tuned front end that can be programmed

Re: [time-nuts] Using GPS for space-based instrument

a GPS receiver for some other purpose so that you only need access to the 1 PPS or 10 MHz output? Have Fun, Brooke Clarke http://www.prc68.com Strauss, Karl F wrote: I've been tasked (or was it I was volunteered?) to do some basic design definition work on an ultra-stable master frequency

[time-nuts] ThunderBolt External Oscillator Option?

. Has anyone confirmed this? -- Have Fun, Brooke Clarke http://www.prc68.com ___ 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] Thunderbolt Monitor Manual?

Hi: Is there a manual for the Monitor program? For example is there a way to change the Stored Position from a yellow to green dot? -- Have Fun, Brooke Clarke http://www.prc68.com ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go

Re: [time-nuts] ADEV and Tau-0 guestion

Hi Don: If you want to average many (100, 1000) reads in one second you need to use the ARM function as described in appendix B of the PRS10 manual. http://www.prc68.com/I/PRS10.shtml Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com

Re: [time-nuts] Time-zones and World time..

Hi Chuck: Not all of the U.S. uses DST, so there's a control group. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http://www.precisionclock.com http://www.prc68

Re: [time-nuts] labview, gpib, gps , logging data and lost data points!!

a hardware 1 PPS sawtooth corrector with the software method. http://www.prc68.com/I/timefreq.shtml#Sawtoooth Have Fun, Brooke Clarke, N6GCE http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http

Re: [time-nuts] jump in pendulum clocks

. He also invented the lock-in-amplifier and Dicke radiometer. http://www.prc68.com/I/Pendulums.shtml It's almost all quartz, but now I see why they are not more popular. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my

Re: [time-nuts] Question on crystal jumps

also effecting crystal oscillators, just on a smaller scale. There also was a LV screen for the physics package, see: http://www.prc68.com/I/Images/Phy.jpg The PRS10 is at: http://www.prc68.com/I/PRS10.shtml Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http

Re: [time-nuts] Question on crystal jumps

instruction. This can cause erratic behavior if not properly accounted for. The 1 PPS from your clock should be spot on all the time, not off by a few hundred nano seconds. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web

Re: [time-nuts] Question on crystal jumps

of their SC10. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Web Cam

Re: [time-nuts] Question on crystal jumps

would be to stack a few crystals very close together (it's just plain geometry) and monitor their frequency to look for coincident jumps. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name

Re: [time-nuts] OT: connector identification

dimensions needed. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Web Cam

Re: [time-nuts] Austron 2100 Loran-C Frequency and Timing Receiver

Hi Skip: I used the HP signature analyzer and found a bad data bus buffer chip is short order. I'm sure it would also identify a bad EPROM chip. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based

Re: [time-nuts] How many seconds in a year?

moved to Ukiah, CA I discovered there was a street called Observatory Ave. Doing some research at the local Historical house determined it was one of six of the Latitude Observatories all located very close to 39:08 deg N. http://www.prc68.com/I/UkiahObs.shtml Have Fun, Brooke Clarke http

Re: [time-nuts] Sound and time

Ethel's? James Gabbard (spelling? was the host) Have Fun, Brooke Clarke, N6GCE http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2

Re: [time-nuts] What is the best counter for a Time Nuts?

to average 1,000 measurements per second resulting in 2E-12 per second on the display. i.e. very close to the HP53132A. So no external hardware is required and no PC to get this result. Have Fun, Brooke Clarke http://www.prc68.com http://www.precisionclock.com Bruce Griffiths wrote

Re: [time-nuts] Looking for a Efratom FRS-C connector

Hi Bob: I think you have almost the correct part. The Stanford Research PRS10 uses the same connector, see: http://www.prc68.com/I/PRS10.shtml The ITT Cannon web page shows many stocking distys for it and the coax insert: http://www.ittcannon.com/support/stockcheck_result.asp Have Fun, Brooke

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