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The SENSOR_CATEGORY_LOCATION category contains sensors that provide geographic location information.
Platform-defined sensor types
This category includes the following platform-defined sensor types.
| Sensor type | Description |
|---|---|
| SENSOR_TYPE_LOCATION_BROADCAST {D26988CF-5162-4039-BB17-4C58B698E44A} |
Sensors that transmit location information by using transmissions such as television or radio frequencies. |
| SENSOR_TYPE_LOCATION_DEAD_RECKONING {1A37D538-F28B-42DA-9FCE-A9D0A2A6D829} |
Dead-reckoning sensors. These sensors first calculate the current location and then update the current location by using motion data. |
| SENSOR_TYPE_LOCATION_GPS {ED4CA589-327A-4FF9-A560-91DA4B48275E} |
Global positioning system sensors. |
| SENSOR_TYPE_LOCATION_LOOKUP {3B2EAE4A-72CE-436D-96D2-3C5B8570E987} |
Lookup sensors, such as those that provide information based on the user's IP address. |
| SENSOR_TYPE_LOCATION_OTHER {9B2D0566-0368-4F71-B88D-533F132031DE} |
Other location sensors. |
| SENSOR_TYPE_LOCATION_STATIC {095F8184-0FA9-4445-8E6E-B70F320B6B4C} |
Fixed-location sensors, such as those that use preset, user-provided information. |
| SENSOR_TYPE_LOCATION_TRIANGULATION {691C341A-5406-4FE1-942F-2246CBEB39E0} |
Triangulation sensors, such as those that determine current location based on cellular phone tower proximities. |
Platform-defined data fields
Platform-defined property keys for this category are based on SENSOR_DATA_TYPE_LOCATION_GUID: {055C74D8-CA6F-47D6-95C6-1ED3637A0FF4}
This category includes the following platform-defined data fields.
| Data field name and PID | Type | Description |
|---|---|---|
| SENSOR_DATA_TYPE_ADDRESS1 (PID = 23) |
VT_LPWSTR | Street address, first line. |
| SENSOR_DATA_TYPE_ADDRESS2 (PID = 24) |
VT_LPWSTR | Street address, second line. |
| SENSOR_DATA_TYPE_ALTITUDE_ANTENNA_SEALEVEL_METERS (PID = 36) |
VT_R8 | Altitude of the antenna, referenced to sea level, in meters. |
| SENSOR_DATA_TYPE_ALTITUDE_ELLIPSOID_ERROR_METERS (PID = 29) |
VT_R8 | Altitude error referenced to the World Geodetic System (WGS 84) reference ellipsoid, in meters. |
| SENSOR_DATA_TYPE_ALTITUDE_ELLIPSOID_METERS (PID = 5) |
VT_R8 | Altitude referenced to the World Geodetic System (WGS 84) reference ellipsoid, in meters. |
| SENSOR_DATA_TYPE_ALTITUDE_SEALEVEL_ERROR_METERS (PID = 30) |
VT_R8 | Altitude error referenced to sea level, in meters. |
| SENSOR_DATA_TYPE_ALTITUDE_SEALEVEL_METERS (PID = 4) |
VT_R8 | Altitude referenced to sea level, in meters. |
| SENSOR_DATA_TYPE_CITY (PID = 25) |
VT_LPWSTR | City |
| SENSOR_DATA_TYPE_COUNTRY_REGION (PID = 28) |
VT_LPWSTR | Country or region, represented as an ISO 3166 1-alpha-2 country/region code. |
| SENSOR_DATA_TYPE_DGPS_DATA_AGE (PID = 35) |
VT_R8 | Age of differential GPS data, in seconds. |
| SENSOR_DATA_TYPE_DIFFERENTIAL_REFERENCE_STATION_ID (PID = 37) |
VT_I4 | ID of the differential reference station. The range is 0000 to 1023. |
| SENSOR_DATA_TYPE_ERROR_RADIUS_METERS (PID = 22) |
VT_R8 | Accuracy of latitude and longitude values, in meters. A value of zero means that the accuracy level is not known. The Location API gives priority to sensors that provide a non-zero value for this field. |
| SENSOR_DATA_TYPE_FIX_QUALITY (PID = 10) |
VT_I4 | Fix quality 0 = no fix 1 = GPS 2 = DGPS |
| SENSOR_DATA_TYPE_FIX_TYPE (PID = 11) |
VT_I4 | Fix type 0 = no fix 1 = GPS SPS Mode, fix valid 2 = DGPS SPS Mode, fix valid 3 = GPS PPS Mode, fix valid 4 = Real Time Kinematic 5 = Float RTK 6 = Estimated (dead reckoned) 7 = Manual Input Mode 8 = Simulator Mode |
| SENSOR_DATA_TYPE_GEOIDAL_SEPARATION (PID = 34) |
VT_R8 | The difference between the WGS-84 ellipsoid and mean sea level. Values less than zero indicate that mean sea level is below the reference ellipsoid. |
| SENSOR_DATA_TYPE_GPS_OPERATION_MODE (PID = 32) |
VT_I4 | Operation mode. 0 = Manual. The GPS sensor is set to operate in 2-D or 3-D mode. 1 = Automatic. The GPS sensor can automatically switch between 2-D and 3-D modes. |
| SENSOR_DATA_TYPE_GPS_SELECTION_MODE (PID = 31) |
VT_I4 | Selection mode. 0 = Autonomous. 1 = DGPS. 2 = Estimated (dead reckoned). 3 = Manual input. 4 = Simulator. 5 = Data not valid. |
| SENSOR_DATA_TYPE_GPS_STATUS (PID = 33) |
VT_I4 | Current data status. 1 = Data is valid. 2 = Data is not valid. |
| SENSOR_DATA_TYPE_HORIZONAL_DILUTION_OF_PRECISION (PID = 13) |
VT_R8 | Horizontal dilution of precision. |
| SENSOR_DATA_TYPE_LATITUDE_DEGREES (PID = 2) |
VT_R8 | Degrees latitude. North is positive. |
| SENSOR_DATA_TYPE_LONGITUDE_DEGREES (PID = 3) |
VT_R8 | Degrees longitude. East is positive. |
| SENSOR_DATA_TYPE_MAGNETIC_HEADING_DEGREES (PID = 8) |
VT_R8 | Heading, in relation to magnetic north, in degrees. |
| SENSOR_DATA_TYPE_MAGNETIC_VARIATION (PID = 9) |
VT_R8 | Magnetic variation. East is positive. |
| SENSOR_DATA_TYPE_NMEA_SENTENCE (PID = 38) |
VT_LPWSTR | The current NMEA sentence string. |
| SENSOR_DATA_TYPE_POSITION_DILUTION_OF_PRECISION (PID = 12) |
VT_R8 | Position dilution of precision. |
| SENSOR_DATA_TYPE_POSTALCODE (PID = 27) |
VT_LPWSTR | Postal code. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW (PID = 17) |
VT_I4 | Number of satellites in view. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW_AZIMUTH (PID = 20) |
VT_VECTOR or VT_UI1 | Counted array that contains the azimuth of each satellite in view. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as an IEEE 8-byte real value (VT_ R8). Use -1 as a placeholder for empty values. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW_ELEVATION (PID = 19) |
VT_VECTOR or VT_UI1 | Counted array that contains the elevation of each satellite in view. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as an IEEE 8-byte real value (VT_R8). Use -91 as a placeholder for empty values. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW_ID (PID = 39) |
VT_VECTOR or VT_UI1 | Counted array that contains the ID of each satellite in view. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as a 4-byte unsigned integer (VT_UI4). For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW_PRNS (PID = 18) |
VT_VECTOR or VT_UI1 | Counted array that contains pseudorandom noise codes for satellites in view. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as a 4-byte unsigned integer (VT_UI4). Use zero (0) as a placeholder for empty values. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_USED_PRNS_AND_CONSTELLATIONS (PID = 41) |
VT_VECTOR or VT_UI2 | Counted array that contains pseudorandom noise codes for satellites that are used in a solution. Data for vector types is always serialized as VT_UI2 (an array of unsigned, 2-byte characters). This data field must contain each value as a 4-byte unsigned integer (VT_UI4). Use zero (0) as a placeholder for empty values. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_IN_VIEW_STN_RATIO (PID = 21) |
VT_VECTOR or VT_UI1 | Counted array that contains the signal-to-noise ratio for satellites in view. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field actually contains each value as an IEEE 8-byte real value (VT_R8). Use zero (0) as a placeholder for empty values. This property is required and must be supported by all GPS devices. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SATELLITES_USED_COUNT (PID = 15) |
VT_I4 | Number of satellites that are used in a solution. |
| SENSOR_DATA_TYPE_SATELLITES_USED_PRNS (PID = 16) |
VT_VECTOR or VT_UI1 | Counted array that contains pseudorandom noise codes for satellites that are used in a solution. Data for vector types is always serialized as VT_UI1 (an array of unsigned, 1-byte characters). This data field must contain each value as a 4-byte unsigned integer (VT_UI4). Use zero (0) as a placeholder for empty values. For information about working with arrays, see Retrieving Vector Types. |
| SENSOR_DATA_TYPE_SPEED_KNOTS (PID = 6) |
VT_R8 | Speed, in knots. |
| SENSOR_DATA_TYPE_STATE_PROVINCE (PID = 26) |
VT_LPWSTR | State/province. |
| SENSOR_DATA_TYPE_TRUE_HEADING_DEGREES (PID = 7) |
VT_R8 | Heading, in relation to true north, in degrees. |
| SENSOR_DATA_TYPE_VERTICAL_DILUTION_OF_PRECISION (PID = 14) |
VT_R8 | Vertical dilution of precision. |