hr = SimConnect_AddToDataDefinition(hSc, DEFINITION_SIM_DATA, "NAV CLOSE IDENT:2", "String", SIMCONNECT_DATATYPE_STRING8);
hr = SimConnect_AddToDataDefinition(hSc, DEFINITION_SIM_DATA, "NAV CLOSE IDENT:3", "String", SIMCONNECT_DATATYPE_STRING8);
NAV CLOSE IDENT string is empty. I have verified I set NAV2_CLOSE_FREQ_SET & NAV3_CLOSE_FREQ_SET to 1.