meteohub.de

Thanks!
I plugged my MR3020 back in and it was able to download the image and come online. It ran reliably for so long that I had not even noticed my license to get updates had expired, renewed the license and I'm now running 3.4.

Yes. Everything else in the home is able to use the Internet normally.

1.5 is the only version available on:
http://meteobridge.com/wiki/index.php/Preparing_Hardware
and the notes do not not say anything about not loading it on older versions of the MR3020.
If it were incompatible, I would think that the device would not boot at all, mine boots but is stuck trying to ...

Decided to re-load the firmware on my MR3020 after having some issues. Found and loaded the newest version 1.5 successfully, but it's now stuck on the landing page, which shows the following status after multiple reload attempts:

IMAGE LOAD PROTOCOL:
--2017-09-13 16:03:29-- http://download ...