In message <4573C7E1.90508 at xs4all.nl> you write: >x127.127.20.0 .GPS. 0 l 6 16 377 0.000 -172.16 1.298 (...) >I did reboot into 2.6.19 with the latest patch. Linux 2.6.18 or later does not work properly anymore with ntp. At least, I've never seen these kernels stabilize and close the offset. They just flap in the breeze. ../Steven