GPSDEGRADED

Specifies how a SiRF receiver is to operate in degraded conditions

Remarks

SiRF receivers can operate in poor GPS availability environments. In these cases, it is possibile to navigate with as few as one visible satellite . The degraded mode settings specify how to extrapolate data for satellites that were recently lost.

See Also

SirfSetNavMode

Members

Members	Description
GPS_DIRECTION_THEN_CLOCK = 0	Use Direction then Clock Hold
GPS_CLOCK_THEN_DIRECTION = 1	Use Clock then Direction Hold
GPS_DIRECTION_HOLD_ONLY = 2	Direction (Curb) Hold Only
GPS_CLOCK_HOLD_ONLY = 3	Clock (Time) Hold Only
GPS_DISABLE_DEGRADED_MODES = 4	Disable Degraded Modes

Group

Types

Declaration

typedef enum {
  GPS_DIRECTION_THEN_CLOCK = 0,
  GPS_CLOCK_THEN_DIRECTION = 1,
  GPS_DIRECTION_HOLD_ONLY = 2,
  GPS_CLOCK_HOLD_ONLY = 3,
  GPS_DISABLE_DEGRADED_MODES = 4
} GPSDEGRADED_MODES;

File

gpsapi.h

Links

gpsapi.h, Types, See Also