An alternative for an inexpensive NTP server would be an older laptop. Until a few years ago laptops had one native serial port, draw little power and nowadays can be had for the asking (or very little money)
My favorite is the Dell D400. With at least 512M (768k or 1G recommended) of RAM and Win XP or your favorite Linux distro, it easily beats all the Netbooks and other Celeron powered machines in performance. I use several in not demanding "regular" computing tasks like email and web browsing. Of course, these don't have the special timers of the Soekris, but if you only need mS accuracy, it is a good alternative and you can easily run other services on it. Didier KO4BB Sent from my BlackBerry Wireless thingy while I do other things... -----Original Message----- From: Per Molund <[email protected]> Sender: [email protected] Date: Mon, 13 Jun 2011 22:37:34 To: <[email protected]> Reply-To: Discussion of precise time and frequency measurement <[email protected]> Subject: [time-nuts] Advice on NTP server needed Hello, I have an upcoming need for a GPS disciplined NTP server in a low cost project. Checking price on commercial units shows that these are out of reach so I have been looking into the possibility of building an NTP server. I understand that the Soekris net4501 single board computer is still available and affordable timing GPS units shows up on Ebay regularly so I assume these compnents could be used. I have found a couple of reference to ntpns software on internet, however I have not been able to figure out the exact hardware configuration required for this implementation. Does anyone on the list have any experience putting together an NTP server based on the net4501 running ntpns? Any alternative ideas for inexpensive SBC based NTP server? regards, Per _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
