.. _message-description-NAV-STATUS: NAV-STATUS ---------- :name: NAV-STATUS :class: 0x01 :id: 0x03 :payload: #. `Empty` #. Fields(length=16) :iTOW: U4 :gpsFix: U1 :flags: Bitfield(1) 0: *gpsFixOk* 1: *diffSoln* 2: *wknSet* 3: *towSet* 4:8: *reserved* :fixStat: Bitfield(1) 0: *diffCor* 6:8: *mapMatching* :flags2: Bitfield(1) 0:2: *psmState* 3:5: *spoofDetState* :ttff: U4 :msss: U4