1606RE: [dxatlas] Faros - PPS GPS Implementation
- Nov 20, 2009Hi Peter- Well, you be further along with the idea and plan than I. I
loaded Meinberg Windows and have it on my laptop (from where I'm not
working) and running via wireless.
I was trying to connect my other PCs to the Meinberg running on 184.108.40.206
but never could connect. So... I am still looking at how to make Meinberg a
As for Faros, when I had Meinberg installed on the same machine, and the
Delay (as seen by Faros) was 0 (zero), I lost all my stations that had been
successfully reporting. I have to go back and redo everything to see if I
can still receive stations, but as for now everything is really goofed up.
Ah, the adventures of a Rookie in Time... And I don't even had a Telephone
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From: email@example.com [mailto:firstname.lastname@example.org]
On Behalf Of Peter Wetzig
Sent: Friday, November 20, 2009 03:45
Subject: [dxatlas] Faros - PPS GPS Implementation
Hi Dave (G0WBX),
I got your data about actions and GPSs. I have too many projects already to
take on something like that. I will stick to the "over the counter" Garmin
18x LVC and put all my effort into the software.
You don't mention what sort of problems you had with NTP - on FreeBSD or
Meinberg NTP on Windows - only that it locks your PC. I assume on Windows
you patched serial.sys to implement serialpps.sys from Dave Harts web site.
Did you get the NTP installs to run as simple secondary servers with the
I had absolutely no problems with the Meinberg Windows port - running three
or four copies on different PCs, one with the Garmin ETrex GPS configured.
FreeBDS 7.0 I have downloaded and tried, but I have put it aside for now - I
expect NOT to go with FreeBSD - my experience is with Linux, and I don't
feel inclined to split my efforts. I have not yet tried a PPS GPS on any
I have Ubuntu Linux servers running NTP. My first steps are to rebuild ,and
replace, my existing Linux kernel and get the process correct, and easily
repeatable. Then when I have ironed out all the bugs from that process, I
will connect my Etrex GPS in serial NMEA mode and see if it still functions
as before and run it for a while, then attach the 18x LVC and verify that
works in serial NMEA mode. Then ever so carefully, try to follow the
process for the NTP Type 22 driver, linking it to the Type 20 serial GPS
driver, to implement PPS.
Here <http://wiki.enneenne.com/index.php/LinuxPPS_installation> you will
find details about the LinuxPPS implementation - its been going for a few
years. In September, the people behind it had the code accepted into the
latest Linux kernel, version 2.6.31, making it a lot simpler to get started.
The code used to be in the form of "patches" needing a lot of experience to
get running. This new kernel version is that currently used by Ubuntu 9.10
- and I have already downloaded the complete source code, configured the PPS
parts, and compiled the kernel - for both Ubuntu and the patched kernel
source code from LinuxPPS here
<http://wiki.enneenne.com/index.php/LinuxPPS_installation>. The email
reflector for the group indicates the updated installation documentation,
covering the 2.6.31 kernel code inclusions, is due out at the end of the
That suits me, because that's about when the Garmin 18x LVC should arrive,
and I should be building Linux kernels in my sleep by then.
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