As far as I know only a Davis device. or a clone like WiFiLogger, can upload to Weatherlink.com. And for the confusion, I think Davis is the cause with their many 'Weatherlinks' - Weatherlink Serial, USB and IP loggers, Weatherlink PC program, Weatherlink.com cloud platform, Weatherlink Live device, Weatherlink console (the new one), and each is somewhat different.Sorry for all the confusion. Too bad CMX cannot just upload to WLL. That would be simpler, and much preferrable for me.
Enjoy,
Paul