Article: 17555 of comp.protocols.time.ntp Path: engnews1.eng.sun.com!sunnews1.Eng.Sun.COM!namche.sun.com!denver-snf1.gtei.net!washdc3-snh1.gtei.net!cpk-news-hub1.bbnplanet.com!news.gtei.net!howland.erols.net!newshub2.home.com!news.home.com!news4.rdc1.on.home.com.POSTED!not-for-mail Message-ID: <3A651005.68BEA0D5@home.com> From: John Turnbull X-Mailer: Mozilla 4.74 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.protocols.time.ntp Subject: Need recommendations for cheap reference clock - jrt Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 31 Date: Wed, 17 Jan 2001 03:22:46 GMT NNTP-Posting-Host: 24.112.94.231 X-Complaints-To: abuse@home.net X-Trace: news4.rdc1.on.home.com 979701766 24.112.94.231 (Tue, 16 Jan 2001 19:22:46 PST) NNTP-Posting-Date: Tue, 16 Jan 2001 19:22:46 PST Organization: Excite@Home - The Leader in Broadband http://home.com/faster Xref: engnews1.eng.sun.com comp.protocols.time.ntp:17555 I have taken a quick look though the archives at DejaNews, and this topic does not appear to have come up too recently: I am looking for a useful reference clock for a home lan running Linux, OpenBSD and Windows 9x (for the other members of the family that insist on using computers). I have xntp3 working over the internet, so the problem of sync-ing the boxes has been solved, but I would now like to experiment with a local reference clock for even more precision - that I do not actually need. As a result, cost is a big factor. I have learned that my Garmin eMap GPS will not do the trick. Are there any single board GPS receivers that are cheap (under $100US), can be bought in one-ses and provide a good (1 microsecond) pps? I would expect that some of the cards that are being designed for cars would be cheap, and some may have a useful pps signal. Anybody know. A second solution would be a CHU receiver. I live almost exactly 11 km due north of the CHU transmitter located at 45 17' 47" N 75 45' 22" W, but my preference is for a GPS solution. BTW. I am not afraid to do some hardware hacking, so solutions that require some mods or adaptations to either the receiver or the computer are fine. Thank you in advance. John T