Come to think about it, I will check for the next few days if the communications lost always arise at the same time at night.
This should point somewhere at least i guess.
I have 4 messages to date, all of them during the night:
Comms to station have failed, trying to reset. Results to follow...
WeatherCat TimeStamp: 00:04:16 07-Nov-17
Comms reset successful.
WeatherCat TimeStamp: 00:04:24 07-Nov-17
Comms to station have failed, trying to reset. Results to follow...
WeatherCat TimeStamp: 03:08:57 09-Nov-17
Comms reset successful.
WeatherCat TimeStamp: 03:09:06 09-Nov-17