[ntp:questions] Start of new GPS 1024 week epoch

Rob nomail at example.com
Wed Aug 14 20:20:50 UTC 2013

David Taylor <david-taylor at blueyonder.co.uk.invalid> wrote:
> On 14/08/2013 12:54, unruh wrote:
> []
>> Except of course if the rd_timestamp.l_i is way out (that is why one
>> would want to use a gps clock to fix it-- eg on bootup with the
>> Raspberry Pi say),
> []
> Could you not use something like the timestamp of some file (e.g. the 
> drift file) or other system file to get the approximate year?  I haven't 
> studied the code (I find C not easy to read or navigate) so perhaps it 
> already does this.  Then you would only need to set the real time once?
> As it happens, all of my RPi pack will have an Internet source as well, 
> and they all have recent GPS receivers which (I hope) don't have this 
> issue....

The raspberry pi already does that.  It regularly (and on shutdown)
saves the date/time in a file and loads that on boot.

No need to handle this in ntpd.  it is done in the /etc/init.d scripts.

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