TAKE OFF TO LANDING
SiriusXM Aviation Weather is a satellite-delivered service available at any altitude, during taxi and when parked on the ramp.
ADS-B/FIS-B is a ground-based weather service. Its availability varies based on your altitude and location in the U.S. and is only available on the ground in the immediate vicinity of certain airports.
WHAT DOES THIS MEAN FOR YOUR FLIGHT?
At most GA airports the ADS-B/FIS-B broadcast can’t be received until well above the traffic pattern. This could be compounded further if storms cells are developing nearby. For example, if you’re in a Cessna 172 going 90 knots, you could fly nearly seven minutes and 10 miles before you make a decision based on ADS-B weather.