Re: [ntp:questions] How common is LI=3 - solved.

2017-02-03 Thread Robert Scott
On Fri, 03 Feb 2017 03:15:09 GMT, no-one@notreal.invalid (Robert Scott) wrote: >I am writing some parsing code for reading Time Server packets. The >first 32 bits of the returned packet are: > >+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ >|LI | VN |Mode |Stratum|

Re: [ntp:questions] How common is LI=3 (clocks not synchronized)?

2017-02-03 Thread Majdi S. Abbas
On Fri, Feb 03, 2017 at 09:09:51AM -, William Unruh wrote: > Those pool sources you probably would want to blackball. No. The leap alarm is normally declared when a server has just been restarted, and is not yet synchronized; I'd give it some time to settle down and then retry (say,

Re: [ntp:questions] Time syncing with something other than ntpd

2017-02-03 Thread Jakob Bohm
On 01/02/2017 12:56, David Taylor wrote: On 01/02/2017 10:59, Jakob Bohm wrote: [] As I am looking at the BBB myself, here are some extra questions: 1. Do you know if anyone has tried using the real-time coprocessors on the BBB to more accurately track the PPS signal? 2. I presume the BBB

Re: [ntp:questions] Time syncing with something other than ntpd

2017-02-03 Thread David Taylor
On 03/02/2017 07:42, sean wrote: [] Just curious, any experience with those? [] I'm running a couple of Sure boards here one feeding one PC and the other feeding two PCs in parallel (only one PC has TX connected). No problems. I'm on the top storey of a two storey building, and both

Re: [ntp:questions] Time syncing with something other than ntpd

2017-02-03 Thread William Unruh
On 2017-02-03, sean wrote: > On 2017-02-02, William Unruh wrote: Another low-cost device is the Sure evaluation board: http://www.satsignal.eu/ntp/Sure-GPS.htm

Re: [ntp:questions] How common is LI=3 (clocks not synchronized)?

2017-02-03 Thread William Unruh
On 2017-02-03, Miroslav Lichvar wrote: > On 2017-02-03, Jakob Bohm wrote: >> On 03/02/2017 04:15, Robert Scott wrote: >>> When the two LI bits come back as 11 (clocks not synchronized) I have >>> been treating that as a fatal error for that server. I

Re: [ntp:questions] How common is LI=3 (clocks not synchronized)?

2017-02-03 Thread Miroslav Lichvar
On 2017-02-03, Jakob Bohm wrote: > On 03/02/2017 04:15, Robert Scott wrote: >> When the two LI bits come back as 11 (clocks not synchronized) I have >> been treating that as a fatal error for that server. I ignore that >> packet and do not attempt to retry my query for that

Re: [ntp:questions] Time syncing with something other than ntpd

2017-02-03 Thread sean
On 2017-02-02, William Unruh wrote: >>> >>> Another low-cost device is the Sure evaluation board: >>> >>>http://www.satsignal.eu/ntp/Sure-GPS.htm >>> >>> >>> http://www.ebay.com/itm/SKG16A-Bluetooth-RS232-USB-UART-GPS-Module-Demo-Board-/230844194302 >>> >> >> Thanks for