On 2019-04-27, David Taylor <david-tay...@blueyonder.co.uk.invalid> wrote: > On 26/04/2019 21:27, jelisko...@gmail.com wrote: > [] >> I think that you are mistaken. >> >> " The servers joining should not have pool.ntp.org as their upstream >> server(s), but should configure some good servers manually (those servers >> may be chosen from the pool. The point is that they are chosen statically >> instead of assigned randomly at each server restart " - >> https://www.ntppool.org/en/join.html > > As I read it, that refers to pool servers themselves. Their clients, > your PC, will choose between the available pool servers for best results > over time if you use the pool directive. > > My suggestion was to avoid very well-known servers which may well be > stratum-1, but which are are so busy that they provide less accuracy > than pool servers, and to get the benefit of automatic removal and > replacement of dead servers. > > If accuracy is /that/ critical, you should consider either adding a PPS > feed to your own PC, or using a GPS/PPS device with good holdover to > your network, such as: > > > http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=120&products_id=272 > > It all depends on your requirements.
On the subject of gps/pps receivers, since the Sure OEM board seems to have disappeared, what is the current recommendation for a cheap gps/pps board to attach to your computer? (the abo ve is not cheap-- on the order of $500, rather than $50) _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
