Re: [time-nuts] Accuracy results with Trimble Thunderbolt?

2020-03-25 Thread Frank
Big thanks to Attila, Frank, and Taka for your responses to my questions on my Trimble Thunderbolt. I'm inclined to follow Taka's advice and reset the antenna elevation mask angle with LH's FE command to something between 10 and 20 degrees. I'm guessing that this is entered in degrees (i.e

[time-nuts] hp 10544A and 10811A ovenized oscillators

2018-11-05 Thread Dr. Frank
ving the 2 screws for the connctor alone), and gently pulling off the styrofoam lid. Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

[time-nuts] hp 10544A and 10811A ovenized oscillators

2018-11-05 Thread Dr. Frank
ess.. as these guys are really old. That's the typical behavior of all three 10811, which I own (inside 5370B, 5335A, and one external). Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/t

[time-nuts] Recommendations for time beginner?

2019-07-08 Thread Frank O'Donnell
). For a beginner, is there something else that offers accuracy/precision at least as good as a Thunderbolt and doesn't cost more than a few hundred dollars at most that you might recommend? I also have some questions about using the Trimble, but will put those in a separate message. Thanks, Frank

[time-nuts] HP5370A vs B version

2019-07-20 Thread Frank Stellmach
this special time interpolator was more linear. I really love mine, so I don't want to sell it. Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow

Re: [time-nuts] Recommendations for time beginner?

2019-07-09 Thread Frank O'Donnell
that introduce larger errors than the ones mentioned above. I'll certainly have to deal with those too. If I have anything wrong, or if any of the above suggests any further comments or suggestions (from any one on the list), I'll be very interested. Thanks again, Frank On 7/8/19 6:32 PM

[time-nuts] HP 5335A and using the HPIB for control

2020-03-06 Thread Frank Stellmach
ate for 10 sec (which would be about its maximum), nor can this counter, neither the 5335A be read out (its registers) during their measurement process. Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to h

[time-nuts] Lady Heather V6.14 beta

2020-03-08 Thread Frank Stellmach
Hello Mike, texaspyro aka Mark Sims has posted the latest version here: https://www.eevblog.com/forum/metrology/lady-heather-v6-beta-for-windows-exe/ Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http

Re: [time-nuts] Connector options for HP10811A?...

2020-04-09 Thread Frank O'Donnell
Thanks for all of the replies to my question about a connector for the HP10811A. Sounds like a number of good options. Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time

[time-nuts] Connector options for HP10811A?

2020-04-08 Thread Frank O'Donnell
be operating right now? Thanks much, Frank O'Donnell South Pasadena, California ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

Re: [time-nuts] Accuracy results with Trimble Thunderbolt?

2020-03-25 Thread Frank O'Donnell
Tom, Thanks very much, that's a great list and will keep me busy for some time. At the hobbyist level, are there time interval counters or frequency counters that are particularly popular, and/or that pair well with the listed software? Frank On 3/25/20 2:30 PM, Tom Van Baak wrote

[time-nuts] GPS antenna splitter recommendation?

2020-04-29 Thread Frank O'Donnell
to one that will work for my situation. Can anyone recommend a specific splitter that wouldn't be too expensive? Thanks much, Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo

Re: [time-nuts] GPS antenna splitter recommendation?

2020-04-29 Thread Frank O'Donnell
Thanks again, Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

[time-nuts] Accuracy results with Trimble Thunderbolt?

2020-03-20 Thread Frank O'Donnell
accuracy, is there a logical next step? Thanks for any suggestions, Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.

[time-nuts] Accuracy results with Trimble Thunderbolt?

2020-03-21 Thread Frank Stellmach
Hello Frank, you're welcome to pose any questions here. Concerning your question, there are basically two different parameters called 'stability' and 'uncertainty'. I personally don't use the term 'accuracy' any more, because that's somewhat misleading. The Stability is a characteristic

[time-nuts] Symmetricom 58536A

2020-08-17 Thread Frank O'Donnell
+4.951vdc on the Thunderbolt's antenna port. If anyone has suggestions, I'll be very grateful. Frank ___ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com

Re: [time-nuts] Symmetricom 58536A

2020-08-17 Thread Frank O'Donnell
na, but blocks any from going back to any of the receivers (sounds more likely). Does anyone believe they have the last word on this? Thanks again, Frank On 8/17/20 4:22 PM, Kevin Rowett wrote: Does the setup with the PD5120 work if the TBolt is connected to either port? Some GPS receiv

[time-nuts] TAPR TICC and TADD-2 Minis

2020-05-31 Thread Frank O'Donnell
, and between the latter and the scope. I see the TADD-2 Mini instructions suggest avoiding a 50-ohm load, instead terminating into a TTL or high-impedance load. Is there a recommendation for the best cabling to use to connect the TADD-2 Minis to the TICC? Thanks for any advice, Frank

Re: [time-nuts] TAPR TICC and TADD-2 Minis

2020-06-01 Thread Frank O'Donnell
a 50 ohm feedthrough terminator on the scope input. Thanks for the comments. Attached is a screen shot with the Thunderbolt's 10 MHz output again going through the T2-Mini to the scope, but with a 50-ohm feed-through terminator placed on the scope's input. Frank