Avidyne’s satellite datalink goes online while WSI and XMRadio announce their own space-based systems.

Avidyne’s datalink NEXRAD found weather on our proposed trip from Florida to Chicago.

Whoever authored the phrase about hope springing eternal must have been in the aircraft datalink business. Hardly a month goes by that we don’t hear of some new product or service aimed at getting weather information into the cockpit, despite the fact that it’s unclear if anyone can really make a buck at this game. (That’s important if you want your datalink guys to be around for at least a week after you’ve bought the box and paid for the service.) …