Thanks, Tom.
Got my upgrade yesterday - very simple (Love Weewx).
(Now to get WOW to take my data – trawling the Forum now, as I get
restx: WOW: Data for station e102910e-9cd6-e611-9401-000d3ab1ce9d will be posted
then
restx: WOW: bad login; waiting 60 minutes then retrying).
Cheers
Robin..