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

:35 PM (GMT-05:00) To: ewkehren via time-nuts <time-nuts@febo.com> Subject: Re: [time-nuts] Dual GPSDO - any advantage? 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@

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

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?

Most likely but PayPal will have to get involved since there are more than one of usBert Kehren Sent from my Galaxy Tab® A Original message From: Clint Jay Date: 4/10/18 10:32 AM (GMT-05:00) To: Discussion of precise time and frequency measurement

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

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 Date: 4/10/18 7:00 AM (GMT-05:00) To: time-nuts@febo.com Subject: Re:

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

Looking at the pictures it is the same unit I bought. It is not dual oven bit trimble works with LH right now shows tracking 10 satelites.Attached  is data that made  me buy a second one for Jürg for $ 129  and one more for me for $9.50.What you see is highly filtered data to see long time

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

I bought one too, is a mistake, I am holding my breath  supposedly shipped I previously bought two one for Jürg because it's performance, easier to clean up             Bert Kehren Sent from my Galaxy Tab® A Original message From: donald collie Date:

Re: [time-nuts] Recommendations for Mains Power Monitor / Logger

My 20 year old Junghans`s had no problemBert Kehren Palm City Florida Sent from my Galaxy Tab® A Original message From: Tom Van Baak Date: 3/11/18 8:32 AM (GMT-05:00) To: Discussion of precise time and frequency measurement Subject:

Re: [time-nuts] LT1016 as a pulse shaper...

BruceWisjh I had known about it a week ago and we could have added a board to the A9 order. Next order is probably three weeks away ifIi can help contact me off list     Bert Kehren Sent from my Galaxy Tab® A Original message From: Bruce Griffiths

Re: [time-nuts] LT1016 as a pulse shaper...

We only use three circuits Wenzel sn65ELT35 and LTC6957. For critical applications it is the LTC we refer to it in our designs the Bruce circuit the only problem is solderability, my eyes. Bought 25, to poor to buy junk and not smart  enough to select something less in critical applications.   

Re: [time-nuts] Microsemi up for sale?

The manager many not know but the market does and there have been announcements and the stock is up and for the day the fifth most active of all US markets. At 2 pm #2    Bert Kehren Sent from my Galaxy Tab® A Original message From: "Richard (Rick) Karlquist"

[time-nuts] M12 furono

What is latest on a group buy, have I missed something I am ready to buy        Bert Kehren Sent from my Galaxy Tab® A ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and

Re: [time-nuts] FRK

PaulI have never seen a FRK or M 100 that did not have a screw iin lamp but Attila`s unit looks like nothing I have seen before,  I am not a Corby but over time 20 units have passed through my hands       Bert Sent from my Galaxy Tab® A Original message From: paul swed

Re: [time-nuts] FRK

Which one are you talking aboutBert Kehren Sent from my Galaxy Tab® A Original message From: paul swed Date: 2/27/18 9:26 AM (GMT-05:00) To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] FRK Thanks

Re: [time-nuts] FRK

Thank you Attila, I have seen many FRK`and M 100 but not one like yours. Some boards are very different and it is very difficult  to get proper documentation.Bert Kehren Sent from my Galaxy Tab® A Original message From: Attila Kinali Date: 2/27/18 5:30 AM

Re: [time-nuts] Replacement A9 boards for the HP 5065A

We have decided to go with the 1012 do we need to do any thing with pin 5Bert kehren Sent from my Galaxy Tab® A Original message From: Attila Kinali Date: 2/26/18 9:53 AM (GMT-05:00) To: Discussion of precise time and frequency measurement

Re: [time-nuts] FRK

l keep it open for a while. Give me a note if this ok for you. Try it. Of course, from time to time I will clean up a bit. Regards, Arnold, DK2WT Am 25.02.2018 um 15:05 schrieb ewkehren via time-nuts: > We have pictures of the guts of a M100 the file is 1.8 M off list or > permission to pos

Re: [time-nuts] Replacement Backup Battery for 5065A?

Discooect I have seen them leak all over the placeBert Kehren  Sent from my Galaxy Tab® A Original message From: Stan Date: 2/25/18 2:41 PM (GMT-05:00) To: time-nuts@febo.com Subject: [time-nuts] Replacement Backup Battery for 5065A? With all this

[time-nuts] FRK

We have pictures of the guts of a M100 the file is 1.8 M off list or permission to postBert Kehren  Sent from my Galaxy Tab® A ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] Replacement A9 boards for the HP 5065A

Corby is still asleep, on the old board it was 0.5 uF and 100K now 5 uF and 10K. Who knows what HP knew in the 60`s but it works and I dought that it is critical. No where is there any fine  tuning like two resistors in seriesBert Kehren  Sent from my Galaxy Tab® A Original message

Re: [time-nuts] "Super Rubidium" filter mod for PRS-10?

I still stand by FRK, next to HP largest cell, Corby did it with a M 100 much more difficult. I started on a FRK but because of a macular hole in my left eye had to stop.First  test  should be to change time constant and monitor performance.Remember the outstanding performance  of the HP is do

Re: [time-nuts] Curious, how many t-nuts have 5065A

Old color and a little expensive only one partial pictureBert Kehren Sent from my Galaxy Tab® A Original message From: Bob kb8tq Date: 2/24/18 9:30 AM (GMT-05:00) To: George Atkinson , Discussion of precise time and frequency

Re: [time-nuts] Teardown of Chinese made eBay GPS antenna.

Some  of you are to young to remember when Javanese products were considered junk same storyBert Kehren Sent from my Galaxy Tab® A Original message From: "Van Horn, David" Date: 2/22/18 4:44 PM (GMT-05:00) To: Discussion of precise time

Re: [time-nuts] Curious, how many t-nuts have 5065A

Do not know but it is the holy grail of AV nuts short of a Maser  or 8607Bert Kehren Sent from my Galaxy Tab® A Original message From: Pete Lancashire Date: 2/22/18 9:44 AM (GMT-05:00) To: Discussion of precise time and frequency measurement

Re: [time-nuts] eBay GPS antenna.

Please keep us informed I bought onBert Kehren Sent from my Galaxy Tab® A Original message From: John Green Date: 2/6/18 4:03 PM (GMT-05:00) To: time-nuts@febo.com Subject: Re: [time-nuts] eBay GPS antenna. I kind of have to believe the specs. The two

Re: [time-nuts] Trimble Thunderbolt Issue

Do not toss, first check output of OCXO if good keep if you do not fiend the problem. If no output replace. If L H shows that it works bring OCXO output directly.Bert Kehren  Sent from my Galaxy Tab® A Original message From: Richard Solomon Date: 1/26/18

Re: [time-nuts] Suggestion for a timing GPS receiver (Trimble / Ublox /other?)

The cheapest is not a 5T there are many 6 and 7 for $ 10. T gives you nothing unless you  have saw tooth correctionBerrt Kehren Sent from my Galaxy Tab® A Original message From: Paride Legovini via time-nuts Date: 1/23/18 12:24 PM (GMT-05:00) To:

Re: [time-nuts] Holdover, RTC for Pi as NTP GPS source

Tbolt is a good oneBert Kehren Sent from my Galaxy Tab® A Original message From: David J Taylor via time-nuts Date: 11/1/17 12:07 PM (GMT-05:00) To: time-nuts@febo.com Subject: Re: [time-nuts] Holdover, RTC for Pi as NTP GPS source From: Mark Sims I

Re: [time-nuts] PRS10 PRBB Shematics

The PRS10 was intended as FRS alternative you can use the same plug with no changes on both unitsBert Kehren Sent from my Galaxy Tab® A Original message From: Mark Sims Date: 10/7/17 1:58 PM (GMT-05:00) To: time-nuts@febo.com Subject: [time-nuts] PRS10

Re: [time-nuts] True Position GPSDP + Rb X72

Starting with a 10 second clean up loop for a FEI 5680/GPSDO to now 600 Seconds using Wenzel's j circuit for the Tbolt we have a variety of boards. I am presently out of country but when back will gladly attach some board designs, material cost is minimal  if there is interest.Bert Kehren

Re: [time-nuts] OCXO inside the FEI AN/URQ-23

Thanks I have 2. Will run some tests. In my opinion ADEV does hide changes in Frequency and we see it when we compare ADEV plots with at the same time frequency measurements. We see it with your plots on the Tbolt. The URQ shows frequency specs 2E-12 most likely ADEVBert Sent from my Galaxy

Re: [time-nuts] Fwd: HP10811 Oscillator Thermal Fuse

Having  had a fan failure on a well insulated Rb we use a temperature sensor also used for compensation in to a PIC to shut down the systemBert Kehren Sent from my Galaxy Tab® A Original message From: "David G. McGaw" Date: 5/10/17 11:20 PM

Re: [time-nuts] Anyone using UBLOX LEA-M8F for GPSDO?

Neil we  have used M7 and I have boards contact me off list toBert Kehren  Sent from my Galaxy Tab® A Original message From: Neil Smith G4DBN Date: 5/10/17 4:03 PM (GMT-05:00) To: Discussion of precise time and frequency measurement

Re: [time-nuts] hm H Maser

Do we know what the PHM development for Galileo cost? Sent from Samsung tabletBob Camp wrote:Hi > On Jan 10, 2017, at 2:45 AM, Dr. David Kirkby (Kirkby Microwave Ltd) > wrote: > > Once 9 Jan 2017 12:59, "Bob Camp" wrote: >>

Re: [time-nuts] Tbolt issues

Know all that that is why we decided not to do it. Not knowing all the ins and outs and limits of the Tbolts that is why I asked the question to begin with Bert Kehren Sent from Samsung tabletCharles Steinmetz wrote:Bert wrote: > On our to do list was temperature

Re: [time-nuts] FE-5680A software calibration units ?

Depends on who you got it from Sent from Samsung tabletNick Sayer via time-nuts wrote:When I got it, the setting was zero. That suggests to me that the factory tuning was erased, assuming that the factory tunes it the same way - by changing the value adjusted by that