On Sat, 25 Nov 2006, Tony Whitmore wrote:
>
> On Fri, Nov 24, 2006 at 11:24:06PM +0000, Gordon Scott wrote:
> > On Fri, 24 Nov 2006, Tony Whitmore wrote:
> >
> > > Cost about £300 IIRC and ran hooked up to a very old Dell G1 desktop
> > > running Debian Sarge.
> >
> > If you can get a reasonable view of the sky, a GPS receiver will do it.
> > There are a couple of receiver-only units from Garin (GPS35 and GPS36
> > IIRC) that are around the UKP100 and not the kind of thing that's likely
> > stolen. Just a black blob on a bit of wire. But they must see the sky!
> > by a window's probably OK. 4 or 5 feet indoors and forget it.
>
> That's what the link I supplied is - a GPS-receiver that connected to the
> serial port. It was provided with a 10m cable to connect to the "black blob"
> that is the receiver. Driver support for it is in recent (for a year or so
> ago) versions of the NTP daemon.
I was using them 4..6 years ago and I _think_ NMEA time support has been
in ntpd much longer. I could be mistaken though, because I very often
used chrony rather than ntpd. I have a feeling it was documented a
little vaguely, listing some off-air clocks it supported, but without
explicitely saying GPS or NMEA. Whatever.
G.
--
Gordon Scott http://www.gscott.co.uk
Linux ... Because I like to *get* there today.
