LinksPoint GPS Toolkit Reference
SIRF_NAVLIB_DGPS_DATA
Types | See Also
Represents the WAAS DGPS data from a SiRF Receiver
Remarks
SiRF receivers are comapatible with the Wide Area Augmentation System(WAAS). The following fields describe the satatus of the WAAS corrections:
Member Description
usSVID Space Vehicle ID - WAAS Satellite ID number
usIOD Issue Of Data
fPRCorrection Pseudorange Correction im meters
fPRRCorrection Pseudorange Rate Correction in meters per second
fCorrectionAge Age of correction inm seconds
fPRCVariance Pseudorange Correction variance
fPRRCVariance Pseudorange Rate Correction Variance
ucSource DGPS source indicator
See Also
Members
Members Description
unsigned short usSVID; Sat ID
unsigned short usIOD; IOD
float fPRCorrection; (m)
float fPRRCorrection; (m/s)
float fCorrectionAge; (s)
float fPRCVariance; (m) For WAAS only
float fPRRCVariance; (m/s) For WAAS only
unsigned char ucSource; Source
Group
Declaration
typedef struct {
  unsigned short usSVID;
  unsigned short usIOD;
  float fPRCorrection;
  float fPRRCorrection;
  float fCorrectionAge;
  float fPRCVariance;
  float fPRRCVariance;
  unsigned char ucSource;
} SIRF_NAVLIB_DGPS_DATA;
File
sirfapi.h
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