Re: [ntp:questions] LOCL clock reachability not 377?

2014-07-31 Thread Henry Hallam
On Thu, Jul 31, 2014 at 12:17 PM, A C agcarver+...@acarver.net wrote: Some of the cheap GPS receivers derive the PPS from the RF carrier sent by the constellation. The PPS output is available if the oscillator is still receiving a synchronizing signal from the receiver even if the GPS CPU

Re: [ntp:questions] Can NTP sync within 1ms

2014-04-28 Thread Henry Hallam
On Mon, Apr 28, 2014 at 10:14 AM, William Unruh un...@invalid.ca wrote: Not sure why they would need a lower cutoff, except that it would allow the ancient telephone receivers to comply. Certainly one can make cheap receivers now that go a lot lower than 300Hz. Because 3.1 kHz of bandwidth is

Re: [ntp:questions] Can NTP sync within 1ms

2014-04-27 Thread Henry Hallam
On Apr 27, 2014 10:19 AM, David Woolley david@ex.djwhome.demon.invalid wrote: On 27/04/14 17:28, Rob wrote: We are setting up a co-channel diversity network. That means multiple FM transmitters that are transmitting the same signal on the same frequency on different sites, where the receive

Re: [ntp:questions] Can NTP sync within 1ms

2014-04-25 Thread Henry Hallam
On Thu, Apr 24, 2014 at 8:07 AM, Montgomery, Peter BIS peter.montgom...@fs.utc.com wrote: I am new to NTP. But I have a quick question that I need to answer soon. I would like to know whether NTP can sync between a client and a server within 1ms if the client and server are Linux