[LinuxPPS] Synchronizing a ZDA message with NTP using linuxPPS

[Udo van den Heuvel]

On 2010-03-21 21:22, Divi.Oillo at ifremer.fr wrote:
> techsas:> ntpq -pn
>       remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
> *127.127.1.0     .LOCL.          15 l   37   64   17    0.000    0.000   0.001
> x127.127.22.0    .PPS.            0 l    4   16  377    0.000  -403.35   5.537
> x134.246.11.121  .1PPS.           1 u   63   64   37    0.187   80.869   5.745
> 
> It seems that PPS works?

Yes/no.
There is pps seen by ntpd but not used yet. ('x' instead of 'o')
Can you tune the edge of the PPS pulse? It appears the pulse is 400 ms long.
And/or change trailing/falling edge?

Udo