Re: [time-nuts] NTP Clock suggestions?

that gets its time from an NTP server... TIA, Miguel ___ 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. -- Chris Albertson Redondo Beach

Re: [time-nuts] NTP Clock suggestions?

of both the amount f power used and accuracy IRIG is better for this then NTP. -- Chris Albertson Redondo Beach, California ___ 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] NTP Clock suggestions?

doubt the clock end plus the drivers would be over $30. I suspect IRIG would cost a bit more once you got it all worked out. Bob On May 27, 2013, at 11:03 AM, Chris Albertson albertson.ch...@gmail.com wrote: I've seen LLCD computer monitors used as clocks. Seems this would be the perfect

Re: [time-nuts] PICAXE, anyone? - [was: Good (cheap) PIC]

the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Follow-up question re: microcontroller families

. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] NTP on RaspberryPi

list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

Re: [time-nuts] Follow-up question re: microcontroller families

AM, Jim Lux jim...@earthlink.net wrote: On 5/26/13 9:00 AM, Chris Albertson wrote: But for many applications, the inevitable overhead (power, heat, external components, OS, etc) simply eliminates the gain of having a better/faster CPU. Sometimes I end up using a 6 or 8 pin PIC with only

Re: [time-nuts] Good (cheap) PIC chip choice for project?

there. -- Chris Albertson Redondo Beach, California ___ 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] RPi NTP was Net4501's cheap...

the problem is not 100% universal. Since I'm still testing bits all four of my clocks are on the same gigabit switch so I don't expect to see simultaneous negative and positive offsets. -- Chris Albertson Redondo Beach, California ___ time-nuts

Re: [time-nuts] Good (cheap) PIC chip choice for project?

the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Good (cheap) PIC chip choice for project?

programming experience do you have? ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Good (cheap) PIC chip choice for project?

for even a simple project to hit $100. In that case the micro is 1% of the total cost. A very fancy, factor of 100 better micro than a basic PIC is *maybe* $6 these days. Depending on how you define and measure better, the answer could be $3. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Good (cheap) PIC chip choice for project?

and efficiency only provided by assembler. ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Good (cheap) PIC chip choice for project?

. If so you can mix C and Assembly. Typically you would only ever write at most a few critical sections in assembly. That is the best advice, find a good C compiler. UNLESS this is all new to you and you don't have years of programming experience. In that case get an Arduino. -- Chris Albertson

Re: [time-nuts] FE-5680A control programs

To unsubscribe, go to https://www.febo.com/cgi-bin/** mailman/listinfo/time-nutshttps://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] Checking Time difference between PCs

. Regards Rex VK7MO ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Net4501's cheap...

and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Downsizing dilemma, HP 3335A

/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Net4501's cheap...

/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Net4501's cheap...

there. ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] OCXO shock protection

. ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] WWVB D-PSK-R updated 12 Mhz Costas and Div chain

On Tue, May 21, 2013 at 3:39 AM, J. L. Trantham jlt...@att.net wrote: Can you tell me what program will open the .SCH files? Without looks ing 'd guess Eagle CAD. There is a free version and it runs on many platforms, Google will find it. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] apple Xcode

___ 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. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] Trimble Acutime Gold PPS

-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go

Re: [time-nuts] OCXO shock protection

-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Net4501's cheap..

to what is reasonable Don't over pay. These were neat devices in their day but now we have Raspberry Pi for $35 and Arduino and TI's Launchpad lineup. Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

Re: [time-nuts] Can I get 1 millisecond accuracy with a USB GPS-18

? Any practical advice? ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Can I get 1 millisecond accuracy with a USB GPS-18

? It would be easy enough to use a transistor if it improved the timing enough to matter. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] Symmetricom TS2100-GPS - 1PPS has 10uS offset

-- Chris Albertson Redondo Beach, California ___ 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] gpsd 1pps pulse?

is on a slow clock, it could be that a 10us transition will be too fast to pass the filter. However, I do agree that trying is the easiest test. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] gpsd 1pps pulse?

the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Imagery position accuracy

with NEMA. And interresting trick is to put two or more GPS units on the same computer. then use NTP to compare. You can test out what works best and measure the differences -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] GPS position survey

___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] GPS position survey

___ 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. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] Imagery position accuracy

To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] GPS position survey

the PPS to better than 1 uS. For a long time I've been wnting to build an external counter for NTP. But it would have to use some very fast logic family. On Sun, May 5, 2013 at 6:26 PM, Miguel Barbosa Gonçalves m...@mbg.pt wrote: Hi Chris! On 06/05/2013, at 01:21, Chris Albertson albertson.ch

Re: [time-nuts] Precise positions for GPSDOs

. Hope someone find this useful. Cheers! --Stu ___ 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. -- Chris Albertson Redondo Beach

Re: [time-nuts] time-nuts newbie

Murray) 6. Re: Time nut newbie (Chris Albertson) 7. Re: Time nut newbie (Attila Kinali) 8. Re: Time nut newbie (Bob Camp) -- Message: 1 Date: Tue, 30 Apr 2013 18:57:20 -0700 From: Rex r...@sonic.net To: Discussion

Re: [time-nuts] Time nut newbie

on Battery power for the entire year the Rb unit is not going to work The OP's 1 second per year goal is only asking for 3.2E-7 level performance if I did the math correctly. Even the $100 Rb is at least 100 times better than required. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Time nut newbie

. But that's cheating. -- Chris Albertson Redondo Beach, California ___ 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] OT - but of interest?

list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

Re: [time-nuts] OT - but of interest?

. But I'd bet a bunch they'd use a $100K pico sat for that. -- Chris Albertson Redondo Beach, California ___ 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] ngTADD-1

transmissions. -- Chris Albertson Redondo Beach, California ___ 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] S743 Marketplace Fariness Act

to pay taxes on each of those sales. This is a formula for disaster. You as a selling would NOT have to worry Pay Pal could hand the taxes for you. Sellers would not have to do much. Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] Trimble Resolution SMT GG weirdness

://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] T-Bolt Mon and Windows 7

. Another advantage of VMware is that it makes it very easy to export the Win XP console display to any computer with a web browser A platform neutral version of LH would be nice but who has the time for that, especially when you can virtualize Win XP. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] T-Bolt Mon and Windows 7

Chris Albertson wrote: LH will run even under Linux or Macs just fine if you run a Win XP image inside VMware. I'm pretty sure VMware runs on Win 7 or Win 8.So you can always continue to use the Old Win XP even on newer and newer computers. These is a fre version of VMware or you can

Re: [time-nuts] 10 MHz clock distribution for the lab

there. -- Chris Albertson Redondo Beach, California ___ 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] T-Bolt Mon and Windows 7

Chris Albertson wrote: LH will run even under Linux or Macs just fine if you run a Win XP image inside VMware. I'm pretty sure VMware runs on Win 7 or Win 8.So you can always continue to use the Old Win XP even on newer and newer computers. These is a fre version of VMware or you can try

Re: [time-nuts] antennas was Re: Common-View GPS Network

%20Ring%20Theory.htmlhttp://www.javad.com/jns/index.html?/jns/technology/Choke%20Ring%20Theory.html Their conclusion is you want the depth of the ring to be slightly more than 1/4 lambda. lambda/4 for L1 is 1.87 so a 2 cake pan is just about the right size. -- Chris Albertson Redondo Beach

Re: [time-nuts] Remote GPS Oscillator Steering

and then measure leakage from the mid span of the cable. Turn up the power until either you can detect some or the transformer fails. The trick is to use good quality transformers on each end so the signal really is well balanced. I salvage the transformers for old Ethernet cards. -- Chris Albertson

Re: [time-nuts] Remote GPS Oscillator Steering

. they make some very easy to use connectors and look like logic level ICs on each end. Send a 10MHz square wave in one and you get the same thing out the other end. A more creative idea is a laser. But if you already have cat6 cable you have what you need. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] antennas was Re: Common-View GPS Network

pan with enough accuracy to get a usable antenna. -- Chris Albertson Redondo Beach, California ___ 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] Common-View GPS Network

is certainly affordable, something like $60. but what is a fancy antenna? How are they different from a normal timing antena? -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Shrink tubing

to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] Connectors

that require axial force to install is that there is a rube seal that goes over the outer insolation jacket. This seal keep water out of the most critical place. The liquid rubber paint works well too. -- Chris Albertson Redondo Beach, California ___ time-nuts

Re: [time-nuts] Connectors

___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Connectors

that is in parallel with the center conductor while a crimp tool applies the force at a 90 degree angle to the center conductor. Also while you can kind of fake it by using improvised tools to attach a crimp type connector you must have the right tool to attach a compression type. -- Chris Albertson Redondo

Re: [time-nuts] GPS antenna??

and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Reading data from Thunderbolt using an Arduino

To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Time shown as two horizontal bars

but with a laser rather then an electron beam. You can draw just about anything on a CRT. The trick is to keep the beam modulation in sync with the scan mirror the scan motor will make a pulse you can use for that. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Time shown as two horizontal bars

is a moving dot, A laser pointer glued to the shaft of a stepper motor would work and be even simpler. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] Time shown as two horizontal bars

wood box around it. Run with your favorite CPU board. -- Chris Albertson Redondo Beach, California ___ 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] Time shown as two horizontal bars

and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Releasing sources (was Re: Brooks Shera)

the mail server. -- These are my opinions. I hate spam. ___ 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. -- Chris Albertson

Re: [time-nuts] GPS usable for weather forecasting?

/ ___ 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. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] GPS usable for weather forecasting?

COSMIC and (coming soon) COSMIC-2 also do GPS occultation. Yes, but COSMIC is not a constellation of 12 satellites and it is not as cheap either. These guys want to put up 12 satellites at a total cost of only $160M -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Releasing sources (was Re: Brooks Shera)

@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Releasing sources (was Re: Brooks Shera)

there. -- Chris Albertson Redondo Beach, California ___ 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] Win XP and NIST time

there. -- Chris Albertson Redondo Beach, California ___ 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] Win XP and NIST time

be as good as a few mS. In your case you'd need GPS or some other reference clock to get there. Most people are getting no better than 10s of mS over the Internet -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Win XP and NIST time

of the Windows NTP. Yes it is a lot of work for nothing. -- Chris Albertson Redondo Beach, California ___ 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] Win XP and NIST time

clock's rate gets closer to correct it waits longer and longer. The longer times are actually a good sign. BUT somehow people think forcing a one second or one minute interval is better. Chris Albertson Redondo Beach, California ___ time-nuts mailing list

Re: [time-nuts] Brooks Shera

___ 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. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Brooks Shera

are in phase to start with the built-in randomness of the 24MHz clock saves the day and then the control loop forces them eventually to be not in phase by 1024/24M seconds -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Brooks Shera

are new to the field it is good to have easy examples to study. about image caching, simplest way is to use a cgibin script rather then a static page. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Brooks Shera

is no more readable than the HEX file. So I doubt many builders asked for the code not when the magic boxes where available for a few bucks. But if you do look at it, it read free for noncommercial use. So we don't have to guess at what he would have wanted. -- Chris Albertson Redondo Beach

Re: [time-nuts] Brooks Shera

. -- Chris Albertson Redondo Beach, California ___ 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] Brooks Shera

the instructions there. -- Chris Albertson Redondo Beach, California ___ 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] Metastability (was Brooks Shera)

think this is all moot because as I just wrote in another email the PPS signal never gets out of the 74hct4046 chip. What gets out is the output of Phase Detector #3. You've have to know in some detail how the 4046 chips' PD3 works. Chris Albertson Redondo Beach, California

Re: [time-nuts] Metastability (was Brooks Shera)

pulse widths that lie within a critical range. Bruce Chris Albertson wrote: On Mon, Mar 25, 2013 at 12:45 PM, David McGawn1...@alum.dartmouth.org wrote: S/LS logic was introduced in the mid 70's, F/AS/ALS around 1980, HC was early 80's. By the third 7400 generation (F/AS/ALS) the problem

Re: [time-nuts] Metastability (was Brooks Shera)

rate (I think one count per 30 seconds?) -- Chris Albertson Redondo Beach, California ___ 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] Metastability (was Brooks Shera)

On Mon, Mar 25, 2013 at 3:41 PM, Chris Albertson albertson.ch...@gmail.com wrote: In normal operation, the counter is clocking back and forth across the 1024 / 24,000,000 boundary. It has to do this for the control loop to see anything. Put another way, if it's always 1024 / 24,000,000

Re: [time-nuts] Win XP and NIST time

that a normal TTL $2 can oscillator is actually good enough and he is tossing out the GPSDO. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] Win XP and NIST time

range with the standard NTP distribution. Again, not that many people need this but that is not the point if you are on this list. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Brooks Shera

and will have to credit the author. -- Chris Albertson Redondo Beach, California ___ 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] Brooks Shera

it to run on a new version of the OS or an iPad or whatever.) -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Win XP and NIST Time

the data But in all cases the conversion to local time is done locally. Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Brooks Shera

to be complete except that there is no link to the assembly language source code. Only the hex file is available. The QST article said thew source was available but I don't think it is unless perhaps some one here has a copy. -- Chris Albertson Redondo Beach, California

Re: [time-nuts] Is possible precise 1pps?

there. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] GPS Antenna Install

it like I would a clamp. You are right in that soldering and brazing is never allowed. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo

Re: [time-nuts] DCF77 PPS

___ 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. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time

Re: [time-nuts] Is possible precise 1pps?

.But the good news is that you can buy a good one for under $20 on eBay so there is not much reason to make do and one that does not work well. Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Thunderbolt antenna

. But do remember to ground the pipe. Give lightening an easy and direct path to ground and it will follow that route. Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi

Re: [time-nuts] webcam app to watch for and time stamp changes

On Sun, Mar 3, 2013 at 12:10 AM, Tom Van Baak t...@leapsecond.com wrote: Do you have suggestions on what sort of antenna to use to pick up the LCD AC E-field? I'd expect the LCD drive current to be vanishing small. Many turns of fine magnet wire going all the way around the device. Chris

Re: [time-nuts] Lady Heather numbers

. -- Chris Albertson Redondo Beach, California ___ 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] Logging the grid frequency....

hardware. I liked the idea of a time stamping counter it´s very doable in a FPGA :) FPGA?? All you need is a standard PC with an RS232 port and a 6V transformers and you can use the pC normally while it is logging. Works at the microsecond level. Software is already available. Chris

Re: [time-nuts] Possibly off topic - Jitter on Ethernet over power adapters

makes use of I to send packets. UDP is User Datagram Protocol and it also use IP. In turn IP can run over any number of physical networks like Ethernet, WiFi X25, or ISDN. Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Possibly off topic - Jitter on Ethernet over poweradapters

On Wed, Feb 27, 2013 at 9:54 PM, DaveH i...@blackmountainforge.com wrote: IP can be run on a lot of different platforms. Check out Request for Comments: 1149 Even better, check out the guys who actually implemented RFC1149. This page has links. http://www.blug.linux.no/rfc1149/ Chris

Re: [time-nuts] Logging the grid frequency....

. What you are left with is a file that lists the time of each zero crossing. You get 60 new lines of text every second. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

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