Garmin GDL 88 User Manual

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GDL 88 ADS-B Transceiver Pilot’s Guide
190-01122-03  Rev. A
2.4 
Flight Information Service – Broadcast (FIS-B)
FIS-B is provided on the 978 MHz link only and is broadcast from the FAA
ground stations continuously. This service provides multiple weather products 
for display in the cockpit to be used by the flight crew for situational awareness. 
These products, update rates, and coverages are specified in the Aeronautical 
Information  Manual  section  7-1-11(d)(7).  Examples  of  these  products  include
NEXRAD 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