[LinuxPPS] getting the PPS source

[Ben DuPont]

clemens at dwf.com wrote:
>> Udo van den Heuvel wrote:
>>     
>>> On 2010-03-21 17:25, Ben DuPont wrote:
>>>   
>>>       
>>>> Is the git repository still the best way to get the PPS source?  The 
>>>> documentation states that it will download about 120 MB but it's looking 
>>>> more like 550-600 MB and it's downloading very slowly (7KB/s).
>>>>
>>>> The hardware I have is here (Garmin 18 lvc): 
>>>> https://buy.garmin.com/shop/shop.do?pID=27594&pvID=14555
>>>>     
>>>>         
>>> The kernel.org kernel source plus perhaps a patch from
>>> http://ftp.enneenne.com/pub/misc/linuxpps/patches/tests/ could do.
>>>
>>> Any additional patches are optional and could be tried afterwards.
>>>
>>> Udo
>>>
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>>>
>>>   
>>>       
>> It looks like I have NTP talking to a PPS kernel but it doesn't seem to 
>> be working quite right.
>> When I run nptq -p, the offset and jitter bounce around like crazy.
>> Here's what I have in ntp.conf:
>>
>> server 127.127.20.0 prefer minpoll 4
>> fudge 127.127.20.0 flag1 1 flag3 1 flag2 0 time1 0.0
>>
>> And example output from ntp -q:
>>
>>      remote           refid      st t when poll reach   delay   offset  
>> jitter
>> ==============================================================================
>> *GPS_NMEA(0)     .GPS.            0 l   14   16  377    0.000  -27.780  
>> 12.313
>>
>> I'm using ntp-4.2.2p4 with this patch: 
>> http://ftp.enneenne.com/pub/misc/linuxpps/refclocks/nmea/nmea.patch
>>     
>
>
> PLEASE get a current version of ntp.
> NTP is currently at 4.2.6/4.2.7 each with a patch number appended.
> I would suggest the 4.2.7 series which is the development series, and slightly
> ahead of the stable series.  But in either case your 4.2.2 is so old that 
> noone is going to be able to help you with problems.
>
>   
Do I need a pps patch for the newer versions?  If yes, where are they 
located?

Ben