Re: Monsters from the id

2006-01-14 Thread Rob Seaman
On Jan 13, 2006, at 12:46 AM, John Cowan wrote: In the end, it will be impossible to maintain the notion that a solarday is 24h of 60m of 60s each: we wind up, IIRC, with the solar dayand lunar month both at about 47 current solar days. There's a lot of difference between what happens over a

Re: Report of Leap Second Problem with GPS Data

2006-01-14 Thread Rob Seaman
On Jan 13, 2006, at 6:26 AM, Richard Langley wrote: FYI. Thanks! Actual reports from the field, how novel! ** IGS Station Mail 12 Jan 14:59:42 PST 2006 Message Number 760

Re: Report of Leap Second Problem with GPS Data

2006-01-14 Thread M. Warner Losh
In message: [EMAIL PROTECTED] Poul-Henning Kamp [EMAIL PROTECTED] writes: : In message [EMAIL PROTECTED], Rob Seaman writes: : On Jan 13, 2006, at 6:26 AM, Richard Langley wrote: : : I won't claim to know the intrinsic importance attached to this. : Critical systems may depend on the

Re: Problems with GLONASS Raw Receiver Data at Start of New Year

2006-01-14 Thread Rob Seaman
On Jan 13, 2006, at 7:51 AM, Richard Langley wrote: The International GNSS Service (IGS) includes a sub-network of continuously operating GLONASS monitor stations (about 50) including one at the University of New Brunswick (UNB1). At UNB1 we lost C1 (coarse code on L1 frequencies), P1

Re: Report of Leap Second Problem with GPS Data

2006-01-14 Thread Rob Seaman
This goes counter to my claims so it is of no importance. and This time, there were no reports of death with the leap second, therefore they can't be too bad... :-) I invite derision with my flights of rhetoric. But this is an internet forum and a little leeway may be warranted. We all

Re: Problems with GLONASS Raw Receiver Data at Start of New Year

2006-01-14 Thread John Cowan
Rob Seaman scripsit: But there are also risks associated with *not* having leap seconds, with allowing DUT1 to increase beyond 0.9s, for instance. And events triggered by those risks would not draw worldwide scrutiny - they could occur year-round and the media circus would have moved on.

Re: Report of Leap Second Problem with GPS Data

2006-01-14 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], Rob Seaman writes: I invite derision with my flights of rhetoric. As published papers [1] document, you have way to go. Poul-Henning [1] George August, Anita Balliro et all, study of Rotation of the Earth, approx 1993. (find it yourself). -- Poul-Henning Kamp

Re: Problems with GLONASS Raw Receiver Data at Start of New Year

2006-01-14 Thread Rob Seaman
On Jan 14, 2006, at 11:20 AM, John Cowan wrote: I'd expect to see a wave of breakage as DUT1 exceeded 0.9s for the first time, and a second wave as it exceeded 1s for the first time. After that, of course, the problems would no longer be relevant. :-) I haven't been able to decipher what