Re: [time-nuts] purpose of time of day display units

2017-01-22 Thread Chris Albertson
; To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/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] Li-ion Battreries

2017-01-22 Thread Chris Albertson
> > > can be accidentally short circuited. > > > > > > Attila Kinali > > > -- > > > Malek's Law: > > > Any simple idea will be worded in the most complicated way. > > > ___ > > > tim

Re: [time-nuts] OT: Eagle PC CAD now Autodesk, $500/year

2017-01-20 Thread Chris Albertson
gt; 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 mailing list -- time-nuts@febo.com

Re: [time-nuts] OT: Eagle PC CAD now Autodesk, $500/year

2017-01-20 Thread Chris Albertson
. Anyone who needed it for real work paid. I think they like this model and are doing it with Fustion. -- 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] OT: Eagle PC CAD now Autodesk, $500/year

2017-01-19 Thread Chris Albertson
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/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] OT: Eagle PC CAD now Autodesk, $500/year

2017-01-19 Thread Chris Albertson
on the Fusion360 blog about long term goals Another one for Eagle is collaboration. That is where a group of designers all work on the product, basically from home and when they are done, al the parts fit On Thu, Jan 19, 2017 at 10:28 PM, Chris Albertson <albertson.ch...@gmail.com> wrote: &

Re: [time-nuts] 10MHz to 25MHz

2017-01-18 Thread Chris Albertson
ns 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. > > ___ > time-nuts mailing list -- time-n

Re: [time-nuts] How to create a super Rb standard

2017-01-18 Thread Chris Albertson
three wire fan with a tachometer. I tried before to make an analog fan controller but without using a dozen op amps it is hard to implement any kind of decent algorithm. But BEFORE you try and improve the Rb performance you need to have some way to MEASURE its performance. This is likely much har

Re: [time-nuts] wifi with time sync

2017-01-14 Thread Chris Albertson
rious layers is *not* very good time wise. There is > indeed a > real need for some sort of overlay to take care of that issue. I’d still > love to know if > this magic protocol is simply giant buffers and some sort of tagging or if > they do > something more interesting. &

Re: [time-nuts] wifi with time sync

2017-01-13 Thread Chris Albertson
ng the wire correctly or not accounting for velocity factor correctly or noise. But even so NTP using a 1PPS reference clock is going to keep the computer's system clock accurate at close to the level off the system clock's resolution > > Bob > > > On Jan 13, 2017, at 3:45 P

Re: [time-nuts] wifi with time sync

2017-01-13 Thread Chris Albertson
_ > 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 To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] wifi with time sync

2017-01-13 Thread Chris Albertson
; PTP support. Just a guess at this point. > > -- > Chris Caudle > > > > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nu

Re: [time-nuts] Datum GPSDO up and running

2017-01-04 Thread Chris Albertson
g 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, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] WWVB Simulator

2017-01-03 Thread Chris Albertson
> -- > 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 instructio

Re: [time-nuts] WWVB Simulator

2017-01-02 Thread Chris Albertson
ng what you want from what you can get at a > profit. > I like Polywell Fusion. > ___ > 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 Voltage [Was: Anyone (ideally in the UK) ...]

2016-12-31 Thread Chris Albertson
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 and follow the instructions there.

Re: [time-nuts] Anyone (ideally in the UK) got a spare rotary knob for the 5370B TI counter?

2016-12-30 Thread Chris Albertson
A knob? Sounds like a good use for a 3D printer. ___ 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] Measuring sidereal/solar time?

2016-12-30 Thread Chris Albertson
h of calculating the >> difference >> between the position of the stars and where you would have expecteded them >> at the time when the picture has been taken. >> >> Some usefull software projects are: >> http://astro.corlan.net/gcx/ >> http://www.clearskyinstitute.com/xephem/ >> http://st

Re: [time-nuts] Measuring sidereal/solar time?

2016-12-30 Thread Chris Albertson
ozen stars every night and take an average. In concept it is very simple. But today we can measure a tens of thousands of stars per day from a suburban roof top. Almost all other methods of measuring the Earth's rotation do not collect enough data. You need tens or hundreds of thousands of da

Re: [time-nuts] Could computers represent the timestamp differently?

2016-12-23 Thread Chris Albertson
eter > ___ > 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] Using GPSDO as a Refrence for Protable Amateur Radio Microwave Operations

2016-12-21 Thread Chris Albertson
___ > 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 To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] 1PPS users?

2016-12-18 Thread Chris Albertson
_ > 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 mailin

Re: [time-nuts] OT: ExpressPCB (cross-post from volts-nuts)

2016-12-12 Thread Chris Albertson
Lowest price I've found is BasicPCB.com They charge $3 per square inch for 2 layers with mask and legend. Minimum is three boards of 1 square inch. So you actually can place a $9 order with them. They are a USA based company. They accept standard Gerber files. This is very imported as a

Re: [time-nuts] OT: ExpressPCB (cross-post from volts-nuts)

2016-12-09 Thread Chris Albertson
Lowest price I've found is BasicPCB.com They charge $3 per square inch for 2 layers with mask and legend. Minimum is three boards of 1 square inch. So you actually can place a $9 order with them. They are a USA based company. They accept standard Gerber files. This is very impotent as a

Re: [time-nuts] Switching regulator replacement for 7805

2016-12-04 Thread Chris Albertson
cooler than a 7805, though! > > John > > > > > ___ > 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 in

Re: [time-nuts] Best Chance GPS module

2016-12-04 Thread Chris Albertson
S correct position. WAAS is about 1.5 meters I bet a 12 hour self survey is about 0.5 meters Are we still talking about NTP? If so this kind of stuff is lost in the noise and will never show up on your system clock. -- Chris Albertson Redondo Beach, California __

Re: [time-nuts] Audio format with embedded timestamps?

2016-12-02 Thread Chris Albertson
> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > > mailman/listinfo/time-nuts > > and follow the instructions 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 ___ 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] Best Chance GPS module

2016-12-01 Thread Chris Albertson
gt; > > > ___ > 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, Califo

Re: [time-nuts] Astronomical time scales (was: Google public NTP service)

2016-12-01 Thread Chris Albertson
cribe, 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/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Audio format with embedded timestamps?

2016-12-01 Thread Chris Albertson
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] Best Chance GPS module

2016-12-01 Thread Chris Albertson
office. NTP can work just fine using IP over serial link. even at low baud rates. > > On 01/12/2016 1:51 AM, Chris Albertson wrote: > >> First question: How accurate does your local NTP server need to be? If >> the answer is "a few tens of milliseconds" then

Re: [time-nuts] Audio format with embedded timestamps?

2016-12-01 Thread Chris Albertson
; Tim N3QE > ___ > 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] RPi/ beagle bone-like computer without video

2016-11-30 Thread Chris Albertson
> > -- > Malek's Law: > Any simple idea will be worded in the most complicated way. > ___ > 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/ beagle bone-like computer without video

2016-11-30 Thread Chris Albertson
ot;hard" real-time as well is some multitasking and even network. If you really need Linux and it needs to be small and low cost and low power, then look at the "Pi Zero". It is a very small Pi that sells for only $5. It has video but just don't plug in the cable. --

Re: [time-nuts] Best Chance GPS module

2016-11-30 Thread Chris Albertson
Ethernet, or the BBB with it's RF issues? > *What am I not considering that could end up biting me? > > Thanks, > > Michael > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m

Re: [time-nuts] Google public NTP service

2016-11-30 Thread Chris Albertson
-- > Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 > g...@rellim.com Tel:+1 541 382 8588 > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to h

Re: [time-nuts] UCCM arrived

2016-11-26 Thread Chris Albertson
to check? > > > > > > Giuseppe Marullo > > > > IW2JWW - JN45RQ > > > > > > PS: the other clock (qrp-labs) is way behind schedule, but hopefully > will arrive soon > > > > > > ` > > > > > > ___ > > time-nuts mailing list -- t

Re: [time-nuts] Fwd: Best replacement for Trimble Bullet antenna

2016-11-22 Thread Chris Albertson
to ask though is what others use/like as roof > mounted antennas? Are some of the 'Marine' antennas better? > > Russ > K0WFS > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mail

Re: [time-nuts] 53132 replacement fan

2016-11-22 Thread Chris Albertson
you can find a > slower turning/quieter fan. > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts > and follow the instructions there. > -- Chri

Re: [time-nuts] How can I measure GPS Antenna quality?

2016-11-20 Thread Chris Albertson
; I > just sum up the S/N slots for each visible/working satellite? > > > -- > 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/

Re: [time-nuts] precision timing pulse

2016-11-17 Thread Chris Albertson
her connectors and passives. You can assign most functions to most pins and the CPU is roughly an order of magnitude better then Arduino With Arduino it is easy to run out of (say) analog inputs or especially external interrupts but with this ARM you don't run out of anything until basically you

Re: [time-nuts] precision timing pulse

2016-11-17 Thread Chris Albertson
o 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/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] precision timing pulse

2016-11-16 Thread Chris Albertson
oday. I haven't looked for eBay > style > low cost boards. > > > > -- > These are my opinions. I hate spam. > > > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to

Re: [time-nuts] precision timing pulse

2016-11-16 Thread Chris Albertson
ng list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi

Re: [time-nuts] precision timing pulse

2016-11-15 Thread Chris Albertson
e instructions 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, Cal

Re: [time-nuts] precision timing pulse

2016-11-15 Thread Chris Albertson
; 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-nu

Re: [time-nuts] GPS Model ?

2016-11-13 Thread Chris Albertson
779afaa0cad9ed%7C1=0Xaed5Ff0AHg42sDZd% > 2BYbKdFEHAC%2FKYOmnIL%2Bc5mecY%3D=0 > > ___ > 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 instruction

Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-11-10 Thread Chris Albertson
compares to see if you should reset the pin, > which adds some ambiguity to the set/reset times. > Granted, I'm doing this on a general purpose PIC, but I have read comments > about various receivers having some jitter on the reset side of their 1PPS > pulse. > Bob > > ___

Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-11-09 Thread Chris Albertson
PPS will have the edge delayed somewhat. It is not even clear if the length of the delay is constant. If using the PPS for timing and the PPS is inverted you will have to measure the delay length an account for in the config file. -- Chris Albe

Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-11-08 Thread Chris Albertson
w.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 and follow the instructions there.

Re: [time-nuts] Man with too many clocks.

2016-11-03 Thread Chris Albertson
at I have not slipped one cycle. > > Can I do what I am trying to do or am I missing something? > > Pete. > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.co

Re: [time-nuts] WWVB software for PC

2016-11-02 Thread Chris Albertson
o unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/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] Temp/Humidity control systems?

2016-10-30 Thread Chris Albertson
__ > 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 ___ t

Re: [time-nuts] IRIG-B for OS X

2016-10-29 Thread Chris Albertson
the PC in NTP, but thought I would ask before > diving in to that asp pit. > > Bob > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and foll

Re: [time-nuts] WWV receivers?

2016-10-29 Thread Chris Albertson
nd process those timestamps within > GnuRadio. > > Attila Kinali > -- > Malek's Law: > Any simple idea will be worded in the most complicated way. > _______ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe,

Re: [time-nuts] WWVB software for PC

2016-10-29 Thread Chris Albertson
/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 and follow the instructions there.

Re: [time-nuts] WWV receivers?

2016-10-29 Thread Chris Albertson
| TCP/IP since RFC 956 > > FreeBSD committer | BSD since 4.3-tahoe > > Never attribute to malice what can adequately be explained by > incompetence. > > ___ > time-nuts mailing list -- time-nuts@

Re: [time-nuts] WWV receivers?

2016-10-26 Thread Chris Albertson
listinfo/time-nuts > > and follow the instructions 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. &g

Re: [time-nuts] Has anybody checked this? GPSDO in kit

2016-10-22 Thread Chris Albertson
u have to remember what this thing replaces. In ham radio, some people are using vacuum tube oscillators with mechanical variable capacitor tuning. Maybe some advanced rigs use gear drive on the capacitor shaft to allow more exact tuning This Si chip is considerably better then 1940's technology.

Re: [time-nuts] Has anybody checked this? GPSDO in kit

2016-10-22 Thread Chris Albertson
rich in harmonics and needs to be filtered. > Giuseppe Marullo > IW2JWW - JN45RQ > > > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nuts >

Re: [time-nuts] Linux PPS clues?

2016-10-21 Thread Chris Albertson
Attila Kinali > -- > Malek's Law: > Any simple idea will be worded in the most complicated way. > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ >

Re: [time-nuts] Linux PPS clues?

2016-10-21 Thread Chris Albertson
Ave., Suite E, Bend, OR 97703 > g...@rellim.com Tel:+1 541 382 8588 > > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/listinfo/time-nut

Re: [time-nuts] Linux PPS clues?

2016-10-21 Thread Chris Albertson
r space process? If the later expect worse performance.For best performance copy and paste the Linux PPS code and then re-build the Linux kernel with your new driver. Getting event time stamps much better then this requires some purpose built hardware outside of the computer. Chris Albertso

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-20 Thread Chris Albertson
L NTP server? Time will be within a couple tens of milliseconds they will be in sync well enough that the eye can not notice.But this means setting up a local NTP server. Any spare computer can do this you can connect a GPS if you like but will not help much in this use case -- Chris Alber

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Chris Albertson
t right. > > > >That’s all a sub $1 solution…. > > > >Bob > _______ > 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 instructi

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Chris Albertson
ed to find a thunderbolt as a starting device but it appears > those are either dried up or people want too much money. > > > > I wanted to get the opinion of anyone who has tried the Leo Bodnar GPSDO > ? > > For the money it appears to offer a beginner a lot of features. > > > > Thanks and reading the daily dige

Re: [time-nuts] PC clock generator without 14.318MHz

2016-10-19 Thread Chris Albertson
>> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/m >> ailman/listinfo/time-nuts >> and follow the instructions there. >> > ___ > time-nut

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Chris Albertson
erial data stream from the GPS, and automatically set the > clock to the correct time after a power failure - something the original > clock could not do. As a double bonus, make the clock display leap seconds > correctly when they happen. > -- Chris Albertson Redondo Beach, California

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Chris Albertson
e big digital clock that uses an 8 bit micro processor and an > > external 32.768 crystal. Obviously the external crystal is > > awful for accuracy. > > > > > > > ___ > time-nuts mailing list -- time-nuts@febo.com > To u

Re: [time-nuts] 1PPS to 32.768 khz

2016-10-19 Thread Chris Albertson
scribe, 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/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] leontp offset?

2016-10-15 Thread Chris Albertson
gt; > The 10 ms offset *is* suspiciously close to what you would get with a 10 > ms pulse stretcher > *and* a setup that is triggering on the wrong edge. > -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- tim

Re: [time-nuts] leontp offset?

2016-10-15 Thread Chris Albertson
iour was the same. > ___ > 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] For those that insist on using switching power supplies

2016-10-14 Thread Chris Albertson
load on the power supply. But what is that? I bet if varies a lot. And like I wrote before it may not even matter as phones don't directly use the 5 volt DC that these chargers produce. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing lis

Re: [time-nuts] For those that insist on using switching power supplies

2016-10-14 Thread Chris Albertson
e are usually much better -- 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 and asymmetric delays

2016-10-11 Thread Chris Albertson
wrote: > I was going to post my ntp output and ask for an opinion, then this > discussion popped up. It would appear that asymmetric delays are the > exact explanation for what I am seeing. -- Chris Albertson Redondo Beach, California ___

Re: [time-nuts] Inexpensive Alternative to a 5120A

2016-10-10 Thread Chris Albertson
sults be limited if I can only sample at 2.3 MSPS? Obviously I'n not directly sampling there 10MHz signal. I'm sampling there frequency difference that a mixer gives me. On Sun, Oct 9, 2016 at 4:16 PM, Bob Camp <kb...@n1k.org> wrote: > Hi > > >> On Oct 9, 2016, a

Re: [time-nuts] Inexpensive Alternative to a 5120A

2016-10-09 Thread Chris Albertson
; Regards, Paul Boven. > > > ___ > 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 B

Re: [time-nuts] Measure GPSDO stability with minimum resources?

2016-10-06 Thread Chris Albertson
___ > 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] ntp and asymmetric delays

2016-10-06 Thread Chris Albertson
AM, Magnus Danielson <mag...@rubidium.dyndns.org > wrote: > > > On 10/05/2016 01:48 PM, Attila Kinali wrote: > >> On Tue, 4 Oct 2016 18:05:16 -0700 >> Chris Albertson <albertson.ch...@gmail.com> wrote: >> >> The problem, I think with your Internet sync's NTP

Re: [time-nuts] Need Time Help

2016-10-05 Thread Chris Albertson
ystem time sync is for a little bit tougher case than a local >>> area >>> network. >>> >>> --- Graham >>> >> > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.

Re: [time-nuts] Need Time Help

2016-10-05 Thread Chris Albertson
ebo.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://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Roughtime

2016-10-04 Thread Chris Albertson
ing 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] Need Time Help

2016-10-04 Thread Chris Albertson
g across a continent or will see more of this then going to a nearby server > Bob > > > On Oct 4, 2016, at 9:05 PM, Chris Albertson <albertson.ch...@gmail.com> > wrote: > > > > The problem, I think with your Internet sync's NTP servers is you are > only > > usin

Re: [time-nuts] Need Time Help

2016-10-04 Thread Chris Albertson
that foundation. > -- Miss Matheson, The Diamond Age, Neil Stephenson > ___ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow th

Re: [time-nuts] Need Time Help

2016-10-04 Thread Chris Albertson
Bay -- > <http://www.ebay.com/itm/Motorola-UT-Plus-Oncore-Timing-GPS-1PPS-50-ns-/ > 270467197172>, > while the Resolution T is about $50 > <http://www.ebay.com/itm/Trimble-Resolution-T-Timing- > GPS-module-12ns-1pps-/252474351979>. > The only downside of the Resolution T is the pinout does not use the > common 2.54mm/0.1" spacing, but instead uses 2mm spacing. > > I've had excellent luck with my GPS 18x LVC feeding my Windows 7 PC > running ToyNTP via a hardware serial port: > <http://www.dxatlas.com/ToyNtp/>. It steers the system clock using a > Kalman filter and is remarkably good. I typically see offsets <10 > microseconds. The only caveat is that ToyNTP requires NMEA output at > 4800bps. Other speeds and other formats won't work; keep this in mind if > you use older GPS receivers that might not output NMEA. > > Cheers! > -Pete > ___ > 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 To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.

Re: [time-nuts] Need Time Help

2016-10-04 Thread Chris Albertson
ce with little effort -- 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] Lady Heather on MacOS X

2016-10-03 Thread Chris Albertson
hat about other then other than Intel architectures? Does it compile on ARM?. -- 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] Why are PPS pulses so narrow? (was: 53132A triggering)

2016-09-17 Thread Chris Albertson
ignal and trip off the wrong edge. Yes it makes such a mistake hard to find but, I think that was the point. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/c

Re: [time-nuts] Hobbyist grade or homebrew temperature testing chamber?

2016-09-05 Thread Chris Albertson
febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/m > ailman/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] What's the best Windows 10 ntp client?

2016-09-02 Thread Chris Albertson
ist -- 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-n

Re: [time-nuts] negative mention of products (was: DIY VNA design)

2016-08-22 Thread Chris Albertson
>> "no win no fee" lawyers here now in the UK. It is a big "industry". I've >> not seen it move to things like technical comments about products, but it >> could well happen. >> >> Dave >> ___ >> time-nuts mailing list -

Re: [time-nuts] GPSDO - probably a stupid question.

2016-08-17 Thread Chris Albertson
djust the system time using software, why not discipline the mother board's XO? Yes but it is a large amount of work to modify an existing product. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Holdover

2016-08-17 Thread Chris Albertson
a dial-up phone modem in the days before always-on Internet This was in the 1980's and it worked well enough. The normal case was "outage" as the modem connection was short and only a few times per day. But was good enough to re-calibrate a local clock Chris Albertson Redondo Beach,

Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-08-14 Thread Chris Albertson
i-bin/mailman/listinfo/time-nuts > and follow the instructions 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 instruct

Re: [time-nuts] How to get PPS from ublox mini-PCI GPS to APU2 SoC serial port for ntpd

2016-08-14 Thread Chris Albertson
post=CD275C4D-8050- > 408A-BD16-6F50468C74C2 > > > > I'm hoping someone here could help me out with this as I'm well in over my > head by now. > > > > > > > > Cheers, > > S > > ____

Re: [time-nuts] Working with SMT parts.

2016-08-13 Thread Chris Albertson
an two eyes that form the 3D norm? Is your color green the > same as mine? > > Soldering SMD parts, I use my OptiVISOR x10, > a bit close but I can hold my breath. > > Ian, G4ICV,AB2GR > -- > ___ > time-nuts mailing list -- time

Re: [time-nuts] Working with SMT parts.

2016-08-13 Thread Chris Albertson
tried >>> (unsuccessfully) to produce a single schematic in Eagle, let alone a PWB. >>> Since it is a hobby that has become a business, time matters to me, design >>> time and delivery. >>> >>> At that point, the cost of the Gerber becomes somewhat irrelevant.

Re: [time-nuts] Low cost SDR suitable for phase noise measurement?

2016-08-12 Thread Chris Albertson
gt;> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >>> >>> >>> ___ >>> time-nuts mailing list -- time-nut

Re: [time-nuts] Working with SMT parts.

2016-08-12 Thread Chris Albertson
t;> and follow the instructions 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. > > > > __

Re: [time-nuts] Working with SMT parts.

2016-08-12 Thread Chris Albertson
the mini board pro service (3 bare boards, 2 sided with > solder mask and silk screen) for prototypes and then buy the Gerbers -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https:/

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