On Wed, Dec 16, 2015 at 09:58:48PM -0800, Hal Murray wrote: > > I run several S1 NTP servers on FreeBSD just fine. > > What version of FreeBSD? 10.2 and 10.1 work just fine. > Which refclocks are you using? Oncore & NMEA. I can test with a Trimble receiver if it helps. --msa