Re: [time-nuts] Affordable PoE 6-digit time displays?

2018-06-15 Thread David J Taylor via time-nuts
-- SatSignal Software - Quality software written to your requirements Web: http://www.satsignal.eu Email: david-tay...@blueyonder.co.uk Twitter: @gm8arv ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

Re: [time-nuts] Spectracom 8140T Line Tap Schematic

2018-06-14 Thread gandalfg8--- via time-nuts
ad headers fitted before being returned to the box! Nigel, GM8PZR -Original Message- From: Julien Goodwin To: gandalfg8 ; Discussion of precise time and frequency measurement Sent: Thu, 14 Jun 2018 11:36 Subject: Re: [time-nuts] Spectracom 8140T Line Tap Schematic I'm somewh

[time-nuts] Seeking Toyocom or NDK through hole oscillator information

2018-06-13 Thread skipp isaham via time-nuts
pp...@yahoo.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] Spectracom 8140T Line Tap Schematic

2018-06-12 Thread gandalfg8--- via time-nuts
___ 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] 2 X R-388's W/non-original cases for sale

2018-06-10 Thread Perry Sandeen via time-nuts
___ 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] Sayrosa 607B Frequency Synthesiser

2018-06-10 Thread gandalfg8--- via time-nuts
://www.mediafire.com/file/c6vv5t71cq741sd/Sayrosa%20607B.zip For what it's worth, my experience with these has been that by far the most common fault is the familiar shorted tantalum syndrome. Nigel GM8PZR ___ time-nuts mailing list -- time-nuts@febo.com

[time-nuts] Antennas for Symettricom 2500 Time Source

2018-06-09 Thread Bruce Hunter via time-nuts
, KG6OJI ___ 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] a newbie question: where can I purchase 794.7nm VCSEL for building CPT rubidium clock?

2018-06-09 Thread ew via time-nuts
gt; > Note that this addtional cell will need to be without buffer gas. > > An external cell will offer better stability and thus lower noise, > > which directly translates into higher stability. > > > > As polarisation scheme, I suggest using σ+/σ- as it seems to be more >

Re: [time-nuts] Source for DC-blocking 50-ohm terminators? (Spectracom 8140)

2018-06-04 Thread Taka Kamiya via time-nuts
enough to chain a DC block and a terminator, I'd prefer a single module I can more obviously label as the line termination. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] Ann other Microwave Journal Paper

2018-05-31 Thread ew via time-nuts
Ann other Microwave Journal Paper an invited paper but by Morion Inc. Precise Frequency Sources Meeting the 5G Holdover Time Interval Error Requirement Bert Kehren ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

[time-nuts] HP 5370B using manual start-stop

2018-05-30 Thread Perry Sandeen via time-nuts
and a stop watch or similar timer? Regards, Perrier ___ 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] HP 5370 A to B conversion?

2018-05-30 Thread Perry Sandeen via time-nuts
List, Is it practical to try and convert a HP 5370A to the B model.  (I know that a dedicated TN could do it. Regards, Perrier ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] Free Stuffs...

2018-05-30 Thread Bob Albert via time-nuts
y you will need a full size pickup truck. If interested, please contact me direct at: b...@att.net. Burt, K6OQK Burt I. Weiner Associates Broadcast Technical Services Glendale, California U.S.A. b...@att.net K6OQK ___ time-nuts mailing list -- time-nuts@feb

[time-nuts] Tektronix FCA3103 ADEV measurement tau setting problem

2018-05-29 Thread gandalfg8--- via time-nuts
w if there are unlisted updates. Nigel, GM8PZR _______ 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] 58503A VS SR625

2018-05-28 Thread Anton Moehammad via time-nuts
ts how you “see” the noise.  A very short gate will give you more variation than a longer gate. Put another way, “tau” is part of any frequency measurement, even if ADEV is not being calculated. Bob > On May 28, 2018, at 8:25 AM, Anton Moehammad via time-nuts > <time-nuts@febo.com>

[time-nuts] 58503A VS SR625

2018-05-28 Thread Anton Moehammad via time-nuts
3 E-9 Hz. yes use same cable and same antenna, I also monitor the temp and I sure the temp variation is very minimal.any one has explanation about this ?Thank YouAnton | | Virus-free. www.avg.com | ___ time-nuts mailing list -- time-nuts@febo.com

[time-nuts] Trueposition GPSDO CTS version for UK buyers

2018-05-24 Thread gandalfg8--- via time-nuts
these haven't sold out sooner. Usual disclaimer, no vested interest whatsover, but with just three left if you hesitate I might buy another whilst you're thinking about it:-) Nigel, GM8PZR ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

[time-nuts] Test set 193 (British) and TS-683A/TSM Crystal Impedance Meters

2018-05-24 Thread Peter Worrall via time-nuts
___ 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] NEO-M8N vs. NEO-M8T

2018-05-21 Thread ew via time-nuts
me before the next PPS pulse gets logged. -- Chris Caudle ___ 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] ✘NEO-M8N vs. NEO-M8T

2018-05-21 Thread ew via time-nuts
Should say 1.7 nsec we also plan to use the GCLK output for what I call a GPS PLL we have done it successfully with low cost u-blox with  E-11 frequency results. Bert Kehren   In a message dated 5/21/2018 7:49:20 AM Eastern Standard Time, time-nuts@febo.com writes:     Our answer was real

[time-nuts] Cesium sold

2018-05-19 Thread Doug Millar via time-nuts
Hi, Thanks for all the responses. The unit has been spoken and paid for. Doug K6JEY ___ 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] Cesium Clock Avialable

2018-05-18 Thread Doug Millar via time-nuts
___ 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] Bodnar "Precision Frequency Reference (GPS Clock)" AND LeoNTP Networked Time NTP Server Questions

2018-05-18 Thread David J Taylor via time-nuts
___ 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] TruePosition GPSDO Holdover Issues

2018-05-15 Thread gandalfg8--- via time-nuts
. http://users.megapathdsl.net/~hmurray/time-nuts/Arctic/Polar-A.png If anybody wants to play, I'll put the code on the web. There are several steps. First is to collect the data. I have a python script that grabs everything from a NMEA device and logs each line with a time stamp. The GPS

Re: [time-nuts] TruePosition GPSDO Holdover Issues

2018-05-15 Thread gandalfg8--- via time-nuts
:-) Nigel, GM8PZR -Original Message- From: Bob kb8tq <kb...@n1k.org> To: gandalfg8 <gandal...@aol.com>; Discussion of precise time and frequency measurement <time-nuts@febo.com> Sent: Tue, 15 May 2018 17:44 Subject: Re: [time-nuts] TruePosition GPSDO

Re: [time-nuts] TruePosition GPSDO Holdover Issues

2018-05-15 Thread gandalfg8--- via time-nuts
o, partially at least perhaps due to a change in antenna gain but either way another can of worms opened and begging further investigation:-) Nigel, GM8PZR From: Bob kb8tq <kb...@n1k.org> Discussion of precise time and frequency measurement <time-nuts@febo.com> Sent: Sun, 13 May 2018

Re: [time-nuts] Sub 5e-13 ADEV GPSDO

2018-05-15 Thread ew via time-nuts
e observations to RINEX-files, and solve with PPP and IGS Rapid or other corrections. The resulting phase record should be good to at least low e-15 from what I understand (and observe). Ole ___ time-nuts mailing list -- time-nuts@febo.com To u

[time-nuts] Electronic Research Co. Precision Crystal Oscillator.

2018-05-14 Thread Dave B via time-nuts
_ 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] TruePosition GPSDO Holdover Issues

2018-05-13 Thread gandalfg8--- via time-nuts
contribute anything useful anyway. Nigel, GM8PZR ___ 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] TruePosition GPSDO Holdover Issues

2018-05-13 Thread gandalfg8--- via time-nuts
a halt for now. Nigel, GM8PZR ___ 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] TruePosition GPSDO Holdover Issues

2018-05-12 Thread gandalfg8--- via time-nuts
as the number increased from two to three. I can't say that this explains all the holdover events I've seen but it does seem to explain at least some of them. Nigel, GM8PZR ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

[time-nuts] TruePosition GPSDO Holdover Issues

2018-05-11 Thread gandalfg8--- via time-nuts
likely now that these units could be reporting a holdover event when the number of tracked Sats drops below four. Nigel, GM8PZR ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo

Re: [time-nuts] HP 5372A

2018-05-10 Thread Don Murray via time-nuts
  73 Don W4WJ   In a message dated 5/10/2018 2:19:49 AM Central Standard Time, mag...@rubidium.dyndns.org writes:   Hi, What issues do you have? Cheers, Magnus On 05/08/2018 02:32 AM, Don Murray via time-nuts wrote: > Hello Time Nuts... > > >   > Who is the resident expert

[time-nuts] HP 5372A

2018-05-07 Thread Don Murray via time-nuts
Hello Time Nuts...   Who is the resident expert on the HP5372A?   I have some operational questions.  ;-)   email off list please.  w4wj at aol.com   TNX all...   73 Don W4WJ     ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go

[time-nuts] WWVB: measuring local 60 KHz noise

2018-05-05 Thread Bruce Hunter via time-nuts
___ 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] WWVB: measuring local 60 KHz noise

2018-05-05 Thread Bruce Hunter via time-nuts
___ 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: measuring local 60 KHz noise

2018-05-05 Thread ew via time-nuts
contact me off list I have a couple   Bert Kehren   In a message dated 5/5/2018 9:17:45 AM Eastern Standard Time, time-nuts@febo.com writes:     I am trying to use the 60 KHz for synchronization of a Rb receiver. The local NJ noise and the signal in dBuV are about the same with an active

Re: [time-nuts] WWVB: measuring local 60 KHz noise

2018-05-05 Thread Ulrich Rohde via time-nuts
that it is 2018. I wasn't watching or monitoring, so I don't know how long it took. I assume the problem is noise. Is there any simple way to measure the noise around 60 KHz? How about not so simple? Extra credit for a way that others nuts can reproduce so we can compare the noise at my location with other

Re: [time-nuts] Racal 9475 Rubidium

2018-05-03 Thread Nick Sayer via time-nuts
od starting figure. Would there be any value to designing a 24 -> 27.5 volt boost converter that one could use to power it from a more conventional supply? How much current would it need? ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe,

Re: [time-nuts] Racal 9475 Rubidium

2018-05-01 Thread Angus via time-nuts
it has problems > > > >Is there any stock faults ? > >What is the life of the rubidium standard? > > > >Regards Paul > >_______ >time-nuts mailing list -- time-nuts@febo.com >To unsubscribe, go to https://www.febo.com/cgi-bi

[time-nuts] IEEE Fellows UFFC-Society

2018-04-30 Thread Ulrich Rohde via time-nuts
https://ieee-uffc.org/membership/fellows/ieee-fellows-of-the-uffc-society/   Updated list            73 de Ulrich  ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] Phase-Matrix 598A Service Manual

2018-04-28 Thread Bruce Hunter via time-nuts
at no charge online, but the service manual is very expensive in relationship to the defective counter I purchased several years ago. Bruce Hunter, KG6OJI ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi

[time-nuts] Still looking for a maual for an Auston 2110 Disciplined Frequency Standard

2018-04-27 Thread Tom Leedy via time-nuts
superior long-term stability.      Many thanks   Tom Leedy Clarksburg, MD 20871 ___ 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] Low noise Oscillator

2018-04-25 Thread ew via time-nuts
In the April Microwave Journal is an extensive article on a "Ultra-Low Phase Noise Oscillators with Attosecond Jitter"and measuring techniques. Bert Kehren ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.fe

Re: [time-nuts] HP 8640..

2018-04-19 Thread Ulrich Rohde via time-nuts
Can any one get me the HP8640 measured phase noise at 432 Mhz, max output ?   Thanks, 73 de N1UL  ___ 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] HP Cesium 5061 A

2018-04-19 Thread Ulrich Rohde via time-nuts
  Maybe of interest.here are the measured phase noise data in dB/Hz1Hz 86.3    10Hz 134.49 Hz    100Hz 139.99    1k 140.1    10k 140.1 100k 144.7273 de N1UL ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com

Re: [time-nuts] Nice Dual mixer and 2 channel counter for DMTD work

2018-04-19 Thread ew via time-nuts
is on hold. Bert Kehren   In a message dated 4/19/2018 1:01:50 AM Eastern Standard Time, rgde...@gmail.com writes:   Are schematics available? Ralph ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] Nice Dual mixer and 2 channel counter for DMTD work

2018-04-19 Thread ew via time-nuts
is on hold. Bert Kehren   In a message dated 4/19/2018 1:01:50 AM Eastern Standard Time, rgde...@gmail.com writes:   Are schematics available? Ralph ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

[time-nuts] 4046 replacement

2018-04-18 Thread Anton Moehammad via time-nuts
___ 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] Pack Rat GPS receiver project

2018-04-17 Thread Stephan Flor via time-nuts
h and 73, ben, kd5byb ___ 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 To unsubscribe, go to

Re: [time-nuts] Some thoughts about Crystal Oscillators

2018-04-16 Thread Ulrich Rohde via time-nuts
Try again... may be of interest ... Ulrich   wenzel crystal oscillator schematic - Google Search   In a message dated 4/15/2018 3:00:46 PM Eastern Standard Time, time-nuts@febo.com writes:   Good work,   yes, we did not include the fundamental frequency suppressor in the circuit diagram,  we

Re: [time-nuts] Some thoughts about Crystal Oscillators

2018-04-15 Thread Ulrich Rohde via time-nuts
evening ... Dj2LR   In a message dated 4/15/2018 2:02:01 PM Eastern Standard Time, dk...@arcor.de writes:   Am 17.03.2018 um 00:57 schrieb Ulrich Rohde via time-nuts: > > https://synergymwave.com/articles/2013/04/full_article.pdf > > This may be still of interest... happy weekend, 7

Re: [time-nuts] Some thoughts about Crystal Oscillators

2018-04-15 Thread Ulrich Rohde via time-nuts
writes:   Am 17.03.2018 um 00:57 schrieb Ulrich Rohde via time-nuts: > > https://synergymwave.com/articles/2013/04/full_article.pdf > > This may be still of interest... happy weekend, 73  de Ulrich, N1UL > > Since the weather did not look so nice this weekend, I canceled a 2-d

[time-nuts] Suggestions on getting 24 MHz?

2018-04-13 Thread Perry Sandeen via time-nuts
wide. If interested please send and email directly to me at sandeenpa at yahoo dot com  (Please do not reply on the list.) Regards, Perrier ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo

Re: [time-nuts] WWVB information

2018-04-13 Thread ziggy9+time-nuts
t; primitive. So "lock" may not really mean it has robustly locked to the > carrier. More details to follow. > > If any of you have Spectracom WWVB 816x or 817x receivers you might want to > try them too. > > /tvb > > - Original Message - > From: "Ma

Re: [time-nuts] TCVCXO Adjustment

2018-04-13 Thread David J Taylor via time-nuts
artefact of MRTG with small integers.) Cheers, Davis -- SatSignal Software - Quality software written to your requirements Web: http://www.satsignal.eu Email: david-tay...@blueyonder.co.uk Twitter: @gm8arv ___ time-nuts mailing list -- time-nuts@

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-12 Thread ziggy9+time-nuts
tion, I got a refund. >> >> If the parts were not as described, still no problems. >> >> >> e-Bay seems to have been more on the side of the Buyer lately. A far cry >> >> from their early days when the Seller's word was Gospel. >> >> >> 73, Dick,

[time-nuts] WWVB information

2018-04-11 Thread Doug Millar via time-nuts
anything in my lab or moved the units. Antenna is still the same. Pictures available. Doug K6JEY ___ 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] Dual GPSDO - any advantage?

2018-04-11 Thread ewkehren via time-nuts
We use Excell nice to make plots and when needed add calculations File is to large for time nuts contact me direct and I will send you an exampleBert Kehren Sent from my Galaxy Tab® A Original message From: CORNACCHIA via time-nuts <time-nuts@febo.com> Date: 4/10/18 2

[time-nuts] HP DVM for shipping

2018-04-11 Thread Perry Sandeen via time-nuts
List, the item has been spoken for. Regards, Perrier ___ 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] HP 3455A 6.5 digit DVM for shipping cost

2018-04-10 Thread Perry Sandeen via time-nuts
. If interested please send email directly to me at sandeenpa at yahoo dot com. (please do not reply on the list. Regards, Perrier ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

[time-nuts] WWVB Time

2018-04-10 Thread Doug Millar via time-nuts
Hi, all of a sudden my Symmetricom comparator/clock has been locking up on time. It has been about a week so far. Did they change the code? Anyone else seeing that?     Doug K6JEY ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread gandalfg8--- via time-nuts
0444. Nigel, GM8PZR ___ 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] Dual GPSDO - any advantage?

2018-04-10 Thread ewkehren via time-nuts
Jürg will have to explain he is in Switzerland  will be tomorrowBert Sent from my Galaxy Tab® A Original message From: CORNACCHIA via time-nuts <time-nuts@febo.com> Date: 4/10/18 2:35 PM (GMT-05:00) To: ewkehren via time-nuts <time-nuts@febo.com> Subject: Re

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread CORNACCHIA via time-nuts
Bert may I ask how you created the charts (what software are you using).Thank You On Tuesday, April 10, 2018, 9:04:58 a.m. EDT, ewkehren via time-nuts <time-nuts@febo.com> wrote: Looking at the pictures it is the same unit I bought. It is not dual oven bit trimble works with LH

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread CORNACCHIA via time-nuts
gandalfg8--- via time-nuts <time-nuts@febo.com> > wrote: > > > > > Is this auction # 273145006434, actually showing at $9.77 here in the UK, and > from a recently registered zero rated seller? > > If so, and given that the auction text, and perhaps the photos

Re: [time-nuts] Cheap jitter measurements

2018-04-10 Thread David J Taylor via time-nuts
david-tay...@blueyonder.co.uk Twitter: @gm8arv ___ 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] Dual GPSDO - any advantage?

2018-04-10 Thread ewkehren via time-nuts
rement <time-nuts@febo.com> Subject: Re: [time-nuts] Dual GPSDO - any advantage? Ahh, I've found the listing, has anyone received one? I hate to say this but I'm highly sceptical that they will ever turn up, looks and smells very much like the standard eBay scam to me. On 10 April 2018 a

[time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread gandalfg8--- via time-nuts
r commentsDonald Brett Collie ZL4GX PS : I have no connection to the eBay seller. The US$9-50 seems to include a basic puck antenna, long downlead, and 4 interseries adaptors ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://ww

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread ewkehren via time-nuts
I have run 2 Tbolts from thee same antenna  in to my Tracor and see the corrections are in no way correlated.Bert Kehren Sent from my Galaxy Tab® A Original message From: Florian Teply <use...@teply.info> Date: 4/10/18 7:00 AM (GMT-05:00) To: time-nuts@febo.com Subje

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread ewkehren via time-nuts
; Date: 4/10/18 6:46 AM (GMT-05:00) To: Discussion of precise time and frequency measurement <time-nuts@febo.com> Subject: Re: [time-nuts] Dual GPSDO - any advantage? Most of the Chinese cheapo units have been frequency, not phase locked. It would be great if you could put the GPSDO outp

Re: [time-nuts] Dual GPSDO - any advantage?

2018-04-10 Thread ewkehren via time-nuts
Date: 4/10/18 1:43 AM (GMT-05:00) To: Discussion of precise time and frequency measurement <time-nuts@febo.com> Subject: [time-nuts] Dual GPSDO - any advantage? I`ve just bought two GPSDO`s from China @ US$9-50 each [This is not an error!] They are stated as being new, and use a Trimba

Re: [time-nuts] Cheap jitter measurements

2018-04-10 Thread Andy ZL3AG via time-nuts
There's a "realtime" kernel available for Linux that improves timing - no idea if this would help in this situation. See: linux-image-rt-amd64 in debian, for instance ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, g

Re: [time-nuts] Cheap jitter measurements

2018-04-09 Thread David J Taylor via time-nuts
to your requirements Web: http://www.satsignal.eu Email: david-tay...@blueyonder.co.uk Twitter: @gm8arv ___ 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] Weird Stuff WareHouse shutting down

2018-04-08 Thread Andy ZL3AG via time-nuts
don't think people should suffer through 141T spectrum analyzers or even a > 8568- Spend your money an a nice USB unit instead. > Blasphemy! ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/

[time-nuts] Looking for IEEE-488 codes and formats for Datum 9700AT Programmable Time System

2018-04-07 Thread Tom Leedy via time-nuts
and feel free to contact me offline.   Many thanks!   Tom Leedy Clarksburg, MD     ___ 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] Datum/Exactime ET6000/9390-6000 Firmware

2018-04-07 Thread ziggy9+time-nuts
___ 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] Lady Heather Chart traces with Different Colors

2018-04-07 Thread CORNACCHIA via time-nuts
 Can anybody Explain the operation of the chart in Lady Heather especially the colors what they represent.Thank You ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

[time-nuts] Odetics CommSync GPS Rollover Problem

2018-04-06 Thread Rob Kimberley via time-nuts
Happy to report that problem now resolved by replacing one of the Motorola Oncore modules with a later version. Have just ordered another for the secondary channel. Rob ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Environmental sensor recommendations

2018-04-06 Thread ew via time-nuts
Tbolt. ___ 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 To unsubscri

Re: [time-nuts] -- Re: Environmental sensor recommendations

2018-04-06 Thread ew via time-nuts
thermistors. They were developed as interchangeable sensors for medical and environmental temperature monitoring. These are well characterized and available from multiple sources in several different configurations.   73 de Walt Bordett N2IK ___ time-nuts

Re: [time-nuts] Environmental sensor recommendations

2018-04-05 Thread ew via time-nuts
I respectfully disagree. The OCXO is not the temperature problem with the Tbolt. It is the DAC. Again this is not a product developed for time nuts it did an excellent job for its intended purpose. Over a year we worked on the Tbolt using HP 10811, OSA 8600, FRK Rb, M100 Rb with excellent

Re: [time-nuts] TS2100: List of root commands?

2018-04-05 Thread ew via time-nuts
s much. > > -- > --- > Bruce Lane, ARS KC7GR > http://www.bluefeathertech.com > kyrrin (at) bluefeathertech dot com > "Quando Omni Flunkus Moritati" (Red Green) > ___ > time-nuts mailing list -- time-nuts@febo.com > To

[time-nuts] Tracor 527 CRT

2018-04-04 Thread ew via time-nuts
if it will work is new and very old but in its original round container. Please contact me off list if you think it will work Bert Kehren ___ 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] quartz / liquid nitrogen

2018-04-03 Thread Dr. Ulrich L. Rohde via time-nuts
ot;thawing" when the dewar was warmed for any >> reason. For this reason, all dewars were equipped with blowout plugs >> to avoid high pressure's damaging the dewars themselves. >> >> Dana >> >> >>> On Tue, Apr 3, 2018 at 12:26 AM, Mark Sims

Re: [time-nuts] Cheap jitter measurements

2018-04-03 Thread ew via time-nuts
three. Had some interface problems that had us going for weeks. When you chase 1 E-13 and 14 nothing comes easy.   Again if interested contact me off list. Bert Kehren   In a message dated 4/3/2018 2:35:18 PM Eastern Standard Time, g...@rellim.com writes:   Time-nuts! With care I can measure

Re: [time-nuts] GPS ANTENNA

2018-04-02 Thread ew via time-nuts
Question Using L/H  what is too much signal  Bert Kehren   In a message dated 4/1/2018 10:54:23 PM Eastern Standard Time, david.partri...@perdrix.co.uk writes:   just use a bias tee to feed in the antenna volts :) -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com

Re: [time-nuts] New GNSS chipsets

2018-04-02 Thread ew via time-nuts
ave advocated for receivers able to handle multiple frequencies and > >> multiple GNSS for some time, sneaking it into documents, so there should > >> be some preparations for this now. > >> > >> The benefit is naturally redundancy, but also higher precision. >

Re: [time-nuts] TV Signals as a frequency reference

2018-03-31 Thread Don Murray via time-nuts
of the > digital receiver. > > I'm assuming that the digital stream is locked to the carrier. That may > not > be correct. > > > -- > These are my opinions. I hate spam. > > > > ___ > time-nuts mailing list -- time

Re: [time-nuts] TV Signals as a frequency reference

2018-03-31 Thread Don Murray via time-nuts
could not afford a cesium reference for something like that. (Actually, the station I worked for had one but it was used for controlling the transmitter frequency. Long story). Now that analog TV has gone away, so have these signals. Francis Grosz ___ time

Re: [time-nuts] Setting correct date on Trimble Thunderbolt receiver

2018-03-27 Thread Nick Sayer via time-nuts
gt; > Lady Heather does correct the displayed date, as it knows that the reported > date is wrong.. > > David > > -----Original Message- > From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of > donandarl...@gmail.com > Sent: 26 March 2018 22:18 >

Re: [time-nuts] What does determine the short term stability of an Rb vapor cell standard?

2018-03-26 Thread ew via time-nuts
ng shorter than 1s. Which suggests, that they might have missed something in the control loop or set its constant too long. Attila Kinali [1] http://www.ke5fx.com/rb.htm -- The bad part of Zurich is where the degenerates throw DARK chocolate at you. ___

[time-nuts] Leitch CSD-5300N

2018-03-24 Thread Bill Baker via time-nuts
is still supported by the National Research Council of Canada Time Service. The dial in number is 613 745-3900. Bill, W1BKR ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] Franklin Master Clock

2018-03-24 Thread Bill Baker via time-nuts
___ 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] Odetics Telecom CommSync - GPS Rollover Problem.

2018-03-23 Thread Rob Kimberley via time-nuts
one of these off me, do you know of any updated firmware? Thanks and kind regards Rob K ___ 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] Use the LT3042 for retrofit?

2018-03-20 Thread Perry Sandeen via time-nuts
___ 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] Qualcomm 1152 Synthesizer Boards

2018-03-20 Thread ew via time-nuts
some years ago. Are they of any use these days or has technology made them obsolete ? Thanks, Dick, W1KSZ Sent from Outlook<http://aka.ms/weboutlook> ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/c

Re: [time-nuts] Temperature stability for Thunderbolt: results

2018-03-17 Thread CORNACCHIA via time-nuts
cables, I opened the TBolt and wired pin 4 with a dedicated wire to the outside world. 73s Achim, DH2VA ___ 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 instru

[time-nuts] Some thoughts about Crystal Oscillators

2018-03-16 Thread Ulrich Rohde via time-nuts
  https://synergymwave.com/articles/2013/04/full_article.pdf   This may be still of interest... happy weekend, 73  de Ulrich, N1UL ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

[time-nuts] Piezo Crystal Company

2018-03-15 Thread Anton Moehammad via time-nuts
Hi,I am looking for datasheet of my piezo crystal company OCXO model 2930175 with freq 10.000MHz.in case someone has pin out its also helpful.Thank You  ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin

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