Re: [time-nuts] NIST UT1 NTP server results

2016-07-23 Thread Steve Allen
l needs that frequency smoothing goal. If the goal is the closest accuracy to instantaneous earth rotation then UT1 makes sense. That would be desirable if the intended use is as direct input to navigation or pointing, but I can't point to any existing system that can use such an input. -- Steve Allen

Re: [time-nuts] NIST UT1 NTP server results

2016-07-23 Thread Steve Allen
stead UT2. UT2 was the standard in the CCIR recommendations for radio broadcasts before UTC with leap seconds (and in fact it was specified as the underlying time scale in the first version of the CCIR leap second document) specifically because it was smoother than UT1 over the course of a year. -- St

Re: [time-nuts] [LEAPSECS] Leap second to be introduced at midnight UTC December 31 this year

2016-07-21 Thread Steve Allen
y shared between many hardware implementations. -- Steve Allen<s...@ucolick.org> WGS-84 (GPS) UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855 1156 High Street Voice: +1 831 459 3046 Lng -122.06015 Santa Cr

Re: [time-nuts] Future of UTC 2013

2013-02-19 Thread Steve Allen
job. Our hope for the meeting is to get beyond the standoff and contribute solid technical details about what should be behind those arguments, what is possible, what is needed to resolve the situation. -- Steve Allen s...@ucolick.orgWGS-84 (GPS) UCO/Lick

[time-nuts] Future of UTC 2013

2013-02-18 Thread Steve Allen
the end of this week. We invite contributions which address the issues described in the Call for Papers at the website. Folks on the time-nuts list know how time gets into operational systems. We would be glad to see some of that expertise at the meeting. -- Steve Allen s