The NWTS also checks for latency of the response from the NTP and if the
response time is outside of an acceptable range, it does not update. Later
firmware is more forgiving, according to the original developer, and the
accessibility of multiple pools beginning with 2.20 firmware resolved
I had considered re-flashing to 2.21 as I bought this unit in 2017 and
never used it until now (never even built it), so the firmware is "old".
Having said that, it works just fine for me. I don't need the
multi-multi-pool NTP server stuff - by using pool.net.org or one of its
regional
