Re: [time-nuts] eLORAN will be on the air GRI 99600

2020-08-05 Thread Tom Knox
Hi Paul and Magnus; Not to mention one space EMP would kill all the Sat systems, where a ground base system even if affected would be easy to access for repair. Cheers; Tom Knox act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Alber

Re: [time-nuts] Pinout of 'Interface' connection of Lucent RFTGm-II-Rb and RFTGm-II-XO

2020-07-14 Thread Tom Knox
the test cable and can check which pins to apply power. I also have the original wiring harness and can send a photo of that. Feel free to contact me directly. Cheers; Tom Knox act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Alber

[time-nuts] 5071A failure question.

2020-07-12 Thread Tom Knox
Has anyone seen a 5071A with both CS Oven and HW Ionizer failure both Zero's. I know if one of these fails it is very often a bad tube, but my question is does the presence of both errors point to some other problem as the likely suspect? Thanks; Tom Knox 303-554-0307 act...@hotmail.com

Re: [time-nuts] Austron 2110 schematics?

2020-07-05 Thread Tom Knox
Hi Jim; These are encapsulated blocks two 48>5 and one 48>24 - I know the 24 is made by Victor. Pretty easy to replace. I up-dated my 2110 with a high contrast LED backlite display. Easy to do when you have it apart. Cheers; Tom Knox SR Test and Measurement Engineer Ascent Co

Re: [time-nuts] Vibration isolation of quartz oscillators

2020-06-29 Thread Tom Knox
as well as trading one frequency for another taking higher intensity "square waves" and dissipating them over time. Any thoughts? Cheers; Tom Knox SR Test and Measurement Engineer Ascent Concepts and Technology 4475 Whitney Place Boulder Colorado 80305 303-554-0307 act...@hotmail.c

Re: [time-nuts] Vibration isolation of quartz oscillators

2020-06-27 Thread Tom Knox
anh Mung Lam, IntechOpen, DOI: 10.5772/6476. Available from: www.intechopen.com Cheers; Tom Knox SR Test and Measurement Engineer Ascent Concepts and Technology 4475 Whitney Place Boulder Colorado 80305 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of

Re: [time-nuts] Vibration isolation of quartz oscillators

2020-06-27 Thread Tom Knox
be glad to send you photos directly if interested. With an oscillator like the 8607 I think it is worth the effort. Stay Safe; Tom Knox SR Test and Measurement Engineer Ascent Concepts and Technology 4475 Whitney Place Boulder Colorado 80305 303-554-0307 act...@hotmail.com "

[time-nuts] inside photo of SA.22c-LN

2020-06-19 Thread Tom Knox
Hi All; By chance could anyone send me a close-up photo of the inside of a SA.22c-LN? Either way thanks. Good Health; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Alber

Re: [time-nuts] Microsemi XLi SAASM

2020-04-20 Thread Tom Knox
Hi; I had a really good time speaking with one of you on the phone last week about XLI's and Cesium Standards but lost your contact info. You mentioned that you had XLI's SRS PRS10's. Please contact me directly with your contact information again. Thanks; Tom Knox 303-554-0307 act

Re: [time-nuts] Microsemi XLi SAASM

2020-03-28 Thread Tom Knox
; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts on behalf of MIKE ELDRIGE Sent: Saturday, March 28, 2020 12:00 AM To: Discussion of pr

Re: [time-nuts] HP5071A parts available

2020-03-09 Thread Tom Knox
Hi; If no one else has asked I would be interest and glad to cover shipping. I have two that have electrical issues, but may have good tubes. Thanks; Tom Knox SR Test and Measurement Engineer Ascent Concepts and Technology 4475 Whitney Place Boulder Colorado 80305 303-554-0307 act

[time-nuts] Fluke 164H counter question - Thanks!!!

2020-02-07 Thread Tom Knox
/Specs_URL/85/85.pdf Fluke 164 - Used-Line.com<https://www.used-line.com/Specs_URL/85/85.pdf> Accurate Phase Measurements Figures 3a and 3b show how a Multi-Function Counter performs, where by contrast both a Phasemeter and a scope or DVM would be required. www.used-line.com Thanks!! Tom Kno

[time-nuts] Reverse Engineering FTS/Datum/Symmetricom 1050A or 1150A

2019-11-25 Thread Tom Knox
e and more companies are unwilling to share schematics and repair info we are seeing communities like the Time-Nuts, Volt-Nuts, and XDevs doing just that. Perhaps it is time to bring a more systemic and structured approach to that end. I would really enjoy being a part of such an effort. Cheers;

Re: [time-nuts] HP5071A with bad tube.... can I get one used?

2019-10-25 Thread Tom Knox
ng group I; Quantity and type of packing: 1 Steel Container, 1A1 0.009 kg Overpack Used; Packing inst. 412. Cross out the words: “Passenger Aircraft” and “Radioactive”. Fill all relevant fields such as Shipper and Consignee appropriately. Tom Knox 303-554-0307 act...@hotmail.com "Peace is

Re: [time-nuts] HP5071A with bad tube.... can I get one used?

2019-10-24 Thread Tom Knox
is the main hurdle repairing these is the precision machining and welding required to cut these in half and weld them back together. Cheers; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Alber

Re: [time-nuts] 10MHz dist amps

2019-10-23 Thread Tom Knox
Hi All; Thanks for all the insight. Cheers; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts on behalf of John Ackermann N8UR Sent: Wednesda

Re: [time-nuts] 10MHz dist amps

2019-10-23 Thread Tom Knox
is close for the price) but compared to the very best the noise floor is a bit higher. Is this simply a result of a raw board instead of a shielded enclosure? Thanks; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK

Re: [time-nuts] Excellent equipment rack

2019-06-11 Thread Tom Knox
looking early and buy when you see them even if not yet prepared to use them and store them until needed. Hope that helps Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Alber

Re: [time-nuts] FTS 1050A Service Manual

2019-05-04 Thread Tom Knox
I agree Bob, I have seen many different versions, I have even seen one with option BVA (In a 1000B form-factor) and versions with 10MHz external ref input. But any schematic or service manual would be a great staring point even if a different version. Tom Knox "Peace is not the ab

Re: [time-nuts] FTS 1050A Service Manual

2019-05-04 Thread Tom Knox
Hi Jeff; I have been trying for years to find one, if someone does have a manual I will be glad to pay for a professional PDF to be made. Please CC me if you have any luck and I will do the same. Good Hunting; Tom Knox "Peace is not the absence of violence, but the presence of Justice&

Re: [time-nuts] Synthesized Signal Generator query

2019-03-07 Thread Tom Knox
Hi Don; Much more expensive, but in a class by itself is the Rohde SMA100A option B22. Enjoy; Tom Knox 303-554-0307 act...@hotmail.com "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts

[time-nuts] Microsemi/Symmetricom date codes?

2019-02-14 Thread Tom Knox
Hi All; I sure this is an easy question, On Microsemi/Symmetricom produces I believe the first four serial number digits are date code but from there I am a bit hazy. Are the first two digits year and the second month? Or is it month-year? Thanks; Tom Knox 303-554-0307 act...@hotmail.com

Re: [time-nuts] Connector help?

2019-01-27 Thread Tom Knox
Hi Martin; The ones I have seen use an SMB. Cheers; Tom Knox "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts on behalf of Bob kb8tq Sent: Sunday, January 27, 2019 3:17 PM To:

Re: [time-nuts] Connector help?

2019-01-27 Thread Tom Knox
My mistake, I have a 58516A in my hand and it does look like an SMC Cheers; Tom Knox "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts on behalf of Clay Autery Sent: Sunday, January 27,

Re: [time-nuts] Ublox F9P multi-band GPS receiver

2019-01-26 Thread Tom Knox
interesting observations. Thanks to all who have contributed for their posts. Tom Knox "Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein From: time-nuts on behalf of Bob kb8tq Sent: Saturday, January 26, 201

Re: [time-nuts] Ublox F9P multi-band GPS receiver

2019-01-21 Thread Tom Knox
Hopefully Jackson Labs (If possible) will offer an update of their M12M replacement that I believe currently uses M8T. I have been preparing for this inevitable evolution for a while updating all my antenna system with all band GNSS antennas, distribution amps, as well as fiber links I use to