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Getting weather info in flight has gotten cheaper due to FIS-B (ADS-B In). However, years before the FAAs eventual roll out of FIS-B and its array of free weather-information products, the dominant player in that industry was Baron Services though XM Radio. Sirius radio offered a competitive product from WSI. Eventually, Sirius and XM merged. The leading hardware was probably Garmins GDL 69 and 69A receivers getting XMs Baron offering.