GDL 30A Owner’s Manual 3IndexIndexAatmosphere 12audio 24audio radio ID number 25Bbroadcast rates (weather-related) 26Ccheck antenna 24city conditions 16cloud tops 8contact XM satellite radio 4current submenu tab 22current weather 19current weather conditions 16Fforecast map 22forecast submenu tab 20fronts (weather) 15Hhigh-pressure center 15hurricanes 11Iisobars 13, 14, 17LLED blink codes 26legend 23lightning 10low-pressure center 15NNEXRAD 7Pprecipitation 7preset weather displayscustomizing 23selecting 5pressure centers 15pressure gradient 13Rradio ID number 25Ssea surface maptemperature 17wave direction 18wave height 17wave period 18sea surface submenu tab 21service level 25specificationsGA 32 antenna 27GDL 30A receiver 27storm cells 9Vvisibility 14Wwave direction 18wave height 17wave period 18weather features 7weather ID number 25weather products 25weather tab 19wind 12wind speed 12XXM800 number 4setting up an account 4weather radio ID number 25weather service level 25XM radioabout 24radio ID number 25