1-8Garmin G500H Pilot’s Guide 190-01150-02 Rev. JForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndex1.1.2 Optional Line Replaceable Units (LRU)A variety of LRUs are available to expand and enhance the G500/600 system.1.1.2.1 GDL 88H (Optional)The GDL 88H is a remotely mounted ADS-B transceiver. There are fourmodels of the GDL 88H. Models with a single bottom mounted UAT antennameet TSO C154c Class A1S and are available with or without an internal GPS/SBAS receiver. Models with one top mounted and one bottom mounted antennameet TSO C154c Class A1H and are also available with or without an internalGPS/SBAS receiver.1.1.2.2 Weather RadarThe Garmin GWX system, or selected 3rd party radar, provides airborneweather and ground mapped radar data to the MFD.Figure 1-10 GWX 68 Weather Radar1.1.2.3 Stormscope® (Optional)NOTE: Refer to the WX-500 Pilot’s Guide for a detailed description of theWX-500 StormScope.The WX-500 StormScope Weather Mapping Sensor is a passive weatheravoidance system that detects electrical discharges associated with thunderstormswithin a 200 NM radius of the aircraft. The StormScope measures relativebearing and distance of thunderstorm-related electrical activity and reports theinformation to the display. Interfaces are currently only available for the WX-500 StormScope System.1.1.2.4 GSR 56 (Optional)The GSR 56 is an Iridium® satellite transceiver that supports voice telephonecalls, aircraft position reporting, and world wide weather products.
