[MVMA] Stratum 1 NTP Server

Jim Bacher, WB8VSU wb8vsu at arrl.net
Sun Mar 28 12:28:58 EDT 2021


Tyler, as it has the RTC on board, it is a good choice. 

⁣Jim Bacher, WB8VSU 
wb8vsu at arrl.net 
https://trc.guru​

On Mar 28, 2021, 11:09 AM, at 11:09 AM, Tyler Gardner <ki7odk at gmail.com> wrote:
>Just as a note tangentially related to Jim’s comment, my Raspberry Pi
>will have an RTC running in the near future as well. I just need to get
>a CR1220 battery for the RTC. If anyone is curious, I am using the
>Adafruit Ultimate GPS HAT which has the GPS and RTC on one board.
>
>
>On Mar 28, 2021, at 10:35 AM, Jim Bacher, WB8VSU <wb8vsu at arrl.net>
>wrote:
>
>> 
>> 
>> Chuck, if your wsjt computer gets its ntp data from a local server,
>it should not have drifted. I am assuming you have wsjt running on a
>Raspberry Pi, which doesn't have any built in time reference. And the
>server is a traditional computer with a built in time reference. 
>> 
>> If I am correct that means your local server might have an issue. It
>would be worth taking a look at the ntp logs on the server. 
>> 
>> Jim Bacher, WB8VSU 
>> wb8vsu at arrl.net 
>> https://trc.guru
>>> On Mar 28, 2021, at 10:19 AM, Chuck Gelm <nc8q-mesh at gelm.net> wrote:
>>>> On 3/27/21 12:06 PM, Tyler Gardner wrote:
>>>>  I have set up a Stratum 1 NTP server running on a Raspberry Pi
>that has been running for a week or two now.. The Pi is equipped with a
>GPS hat that provides NMEA time and PPS. I recognize that my current
>link to DARA is not very good, but I would be curious to hear how well
>this service works for others.
>>>> 
>>>>  If you’d like to test it out, some info can be found at:
>>>>  http://ki7odk-meshpi.local.mesh/time
>>>> 
>>>>  Tyler Gardner
>>>>  KI7ODK
>>> 
>>> Hi, Tyler:
>>> 
>>>   Thanks.
>>> I wish I had this set up Friday morning.
>>> I lost internet access from ~02:30 to ~10:30L and my WSJTX box
>wandered 
>>> off as much as 7 1/2 seconds.
>>> I could see, on the waterfall, individual FT8 transmissions spanning
>the 
>>> 15 second slots.
>>> 
>>>   I have added your NTP service to my mesh NTP service at 
>>> nc8q-mesh-server (a RaspberryPi/Raspbian).
>>> My nc8q-mesh-server uses my home server and a few debian.pool
>servers 
>>> and, now, your server.
>>> My home server uses a few ubuntu.pool servers.
>>> 
>>>   So, the next time I lose internet access I will be able to run 
>>> FT8/FT4. :-)
>>> 
>>>   All local AREDNites are welcome to use nc8q-mesh-server as a NTP
>server.
>>> 
>>> Chuck
>>> 
>>> 
>>> 
>>> 
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