21 June 2018 version 5.2.2
GPRS RasDial function call can time out. This prevents the logger getting stuck in call.
14 November 2017 version 5.2.1
5.2.1 Startup and shutdown messages now go into RailDAQ queue
Shutdown: sleep 1ms lets other threads to run and finish activities.
GPRS: bugfix: CREG wait had an infinite loop when registration failed
SNTP: bugfix: now waits 60 sec in a loop instead of 60*60 secs!