-typedef uint32_t udegree_t; // Micro degrees
-typedef uint32_t mdegree_t; // Milli degrees
-typedef uint16_t degree_t; // Degrees
-typedef uint16_t cm_t; // Centimeter
-typedef uint32_t sec_t; // Seconds
-typedef uint32_t str_time_t; // Time format HH:MM:SS
-typedef uint32_t mknots_t; // Milli knots
-typedef uint32_t mkh_t; // Milli kilometers/hour
-typedef uint16_t number_t; // Pure number
+typedef int32_t udegree_t; // Micro degrees
+typedef int32_t mdegree_t; // Milli degrees
+typedef int16_t degree_t; // Degrees