[time-nuts] Lady Heather and LeapSecond
n3izn at aol.com
n3izn at aol.com
Sun Nov 6 00:09:02 UTC 2016
Where will the file go?
-----Original Message-----
From: Mark Sims <holrum at hotmail.com>
To: time-nuts <time-nuts at febo.com>
Sent: Fri, Nov 4, 2016 2:37 pm
Subject: [time-nuts] Lady Heather and LeapSecond
Yes, and it will also automatically do a screen dump to the file "leap_sec.gif" That all assume that the GPS device reports a leap second as 23:59:60. Some devices duplicate 23:59:59 or 00:00:00 I have also seen one say 00:00:60
The next version of Lady Heather internally handles time differently. Instead of dragging around variables for year,month,day,hours,minutes,seconds,fractions-of-second, it now keeps time in double precision Julian date variables (for gps, utc, local, and astronomical times). When those are converted to hours/minutes/seconds for display the 23:59:60 was coming out 00:00:00 . I had to implement a special flag that says to show it as 23:59:60 ... hopefully that all works... it did when my Z3801A did a false leap-second at the end of September.
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