Re: GPS time.

2002-04-01 Thread Terry Lambert
Wilko Bulte wrote: > While not stepping up to solve the world politics: the US government > claiming the right to define the law for everything is unnerving to > lots of non-US (and US I suppose) people alike. > > GPS is just one of these things.. I disagree. The problem is the engineers. When

Re: GPS time.

2002-04-01 Thread Wilko Bulte
On Mon, Apr 01, 2002 at 12:00:47AM -0800, Terry Lambert wrote: > [EMAIL PROTECTED] wrote: > > > > Hopefully European GPS project (Galileo) will provide an alternative. > > > > It still has a long way to go though. > > > > > > Galileo strikes me as unnecessary, unless the receivers will be > > > ch

Re: GPS time.

2002-03-31 Thread Terry Lambert
[EMAIL PROTECTED] wrote: > > > Hopefully European GPS project (Galileo) will provide an alternative. > > > It still has a long way to go though. > > > > Galileo strikes me as unnecessary, unless the receivers will be > > cheaper to get the same resolution. The 1 meter resolution seems > > a littl

Re: GPS time.

2002-03-31 Thread sthaug
> > Hopefully European GPS project (Galileo) will provide an alternative. > > It still has a long way to go though. > > Galileo strikes me as unnecessary, unless the receivers will be > cheaper to get the same resolution. The 1 meter resolution seems > a little poor, compared to differential. G

Re: GPS time.

2002-03-31 Thread Terry Lambert
Vladimir Egorin wrote: > > Also keep in mind that the US governement reserves the right to turn > > off GPS at any time to selected regions of the globe. > > Hopefully European GPS project (Galileo) will provide an alternative. > It still has a long way to go though. Galileo stri

Re: GPS time.

2002-03-31 Thread Vladimir Egorin
On Sun, Mar 31, 2002 at 01:34:02PM -0700, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > Paul Halliday <[EMAIL PROTECTED]> writes: > : This is the answer I was kinda hoping for. I think that accuracy > : to ~100ms from a known source is a

RE: GPS time.

2002-03-31 Thread Sean Mathias
Erik Trulsson [mailto:[EMAIL PROTECTED]] Sent: Sunday, March 31, 2002 9:32 AM To: Paul Halliday Cc: Mike Silbersack; Leo Bicknell; [EMAIL PROTECTED] Subject: Re: GPS time. On Sun, Mar 31, 2002 at 10:44:55AM -0600, Paul Halliday wrote: > On Sun, 31 Mar 2002, Mike Silbersack wrote: > > > &

Re: GPS time.

2002-03-31 Thread M. Warner Losh
In message: <[EMAIL PROTECTED]> Paul Halliday <[EMAIL PROTECTED]> writes: : This is the answer I was kinda hoping for. I think that accuracy : to ~100ms from a known source is a little more comforting than <1ms from a : server that I have no control over. I am not maintaining a s

Re: GPS time.

2002-03-31 Thread M. Warner Losh
In message: <[EMAIL PROTECTED]> Leo Bicknell <[EMAIL PROTECTED]> writes: : In a message written on Fri, Mar 29, 2002 at 06:04:11PM -0600, Paul Halliday wrote: : > I just connected my gps (garmin gps III plus) to my serial port : > and realized that simply cat'ing cua0 displays date

Re: GPS time.

2002-03-31 Thread M. Warner Losh
In message: <[EMAIL PROTECTED]> Paul Halliday <[EMAIL PROTECTED]> writes: : I just connected my gps (garmin gps III plus) to my serial port : and realized that simply cat'ing cua0 displays date/time/position of the : unit. (neato). Anyway, how accurate would it be to use the time

Re: GPS time.

2002-03-31 Thread Erik Trulsson
On Sun, Mar 31, 2002 at 10:44:55AM -0600, Paul Halliday wrote: > On Sun, 31 Mar 2002, Mike Silbersack wrote: > > > > > On Sat, 30 Mar 2002, Leo Bicknell wrote: > > > > > Your NTP servers are better. > > > > > > I tested a III Plus, and without a 1 PPS source (which that model > > > doesn't provid

Re: GPS time.

2002-03-31 Thread Paul Halliday
On Sun, 31 Mar 2002, Mike Silbersack wrote: > > On Sat, 30 Mar 2002, Leo Bicknell wrote: > > > Your NTP servers are better. > > > > I tested a III Plus, and without a 1 PPS source (which that model > > doesn't provide) it's accurate to about 100ms, give or take. Since > > real NTP servers are <

Re: GPS time.

2002-03-31 Thread Mike Silbersack
On Sat, 30 Mar 2002, Leo Bicknell wrote: > Your NTP servers are better. > > I tested a III Plus, and without a 1 PPS source (which that model > doesn't provide) it's accurate to about 100ms, give or take. Since > real NTP servers are < 1ms, they really aren't that good. It's > not that the tim

Re: GPS time.

2002-03-30 Thread Steve Ames
http://www.gpsclock.com/ is $380US and does PPS pulses accurate to plus or minus 1 microsecond of UTC. On Sat, Mar 30, 2002 at 09:28:59AM -0500, Leo Bicknell wrote: > In a message written on Fri, Mar 29, 2002 at 06:04:11PM -0600, Paul Halliday wrote: > > I just connected my gps (garmin gps II

Re: GPS time.

2002-03-30 Thread Les Biffle
> In a message written on Fri, Mar 29, 2002 at 06:04:11PM -0600, Paul Halliday wrote: > > I just connected my gps (garmin gps III plus) to my serial port > > and realized that simply cat'ing cua0 displays date/time/position of the > > unit. (neato). Anyway, how accurate would it be to use the

Re: GPS time.

2002-03-30 Thread Leo Bicknell
In a message written on Fri, Mar 29, 2002 at 06:04:11PM -0600, Paul Halliday wrote: > I just connected my gps (garmin gps III plus) to my serial port > and realized that simply cat'ing cua0 displays date/time/position of the > unit. (neato). Anyway, how accurate would it be to use the time f

Re: GPS time.

2002-03-29 Thread dirkx
> I just connected my gps (garmin gps III plus) to my serial port > and realized that simply cat'ing cua0 displays date/time/position of the > unit. (neato). Anyway, how accurate would it be to use the time from this > output for ntp as opposed to my current setup using ntp servers. I beli

GPS time.

2002-03-29 Thread Paul Halliday
Hi. I just connected my gps (garmin gps III plus) to my serial port and realized that simply cat'ing cua0 displays date/time/position of the unit. (neato). Anyway, how accurate would it be to use the time from this output for ntp as opposed to my current setup using ntp servers.