2-6Garmin GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. C2.4 Flight Information Service – Broadcast (FIS-B)FIS-B is provided on the 978 MHz link only and is broadcast from the FAAground stations continuously. This service provides multiple weather productsfor display in the cockpit to be used by the flight crew for situational awareness.These products, update rates, and coverages are specified in the AeronauticalInformation Manual section 7-1-11(d)(7). Examples of these products includeNEXRAD Precipitation, Graphical TFRs, Graphical AIRMETs/SIGMETs, METARs,TAFs, winds aloft, status of Special Use Airspaces (SUA), and textual NOTAMs.Figure 2-6 FIS-B Operation - FAA Illustration