on Twitter: "NPL's NTP servers are stratum 1, which means they are directly sync'd with a reference clock.(Likely something from https://t.co/AgHiT9WjnC ) NIC's NTP servers are stratum 2 servers which means
Microduino ENC Network (12)——Use NTP get Internet time - Microduino Wiki
Network Time Protocol - Wikipedia
Time Settings (SIP) - Zenitel Wiki
RUT230 NTP - Teltonika Networks Wiki
User talk:Diogenese/Wizards/Ntp - Mageia wiki
En/2.2/Time synchronization service (NTP) - Zentyal Linux Small Business Server
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