Rather than money one can donate NTP servers to the pool. [1] It can be a fun learning exercise in setting up a stable stratum-2 time server. One can create graphs from the optional logs. Why bother? Many of the rabbit holes one could venture down in learning to set up a stable time server can also benefit application servers in terms of latency, responsiveness, learning how to get clients to share resources and so m…
Really drives home one of my favourite half-jokes: every sensor is a temperature sensor; some of them measure other things too.