Bolymin BETA903A, User Manual, Page: 81 / 95

BETA903A USER MANUAL - 81 -
char cFixQuality
Fix Quality. (0 = Invalid, 1 = GPS fix, 2 = DGPS
fix 1 Data is from a GPS fix)
Int iSVCount Number of Satellites in view.
double dHDOP Horizontal Dilution of Precision (HDOP).
double dAltitude Altitude above mean sea level.
char cAltitudeUint Unit of previous field. M=meter.
double dHOG Height of geoid above WGS84 ellipsoid.
char cHOGUint Unit of previous field. M=meter.
Data structure: stGLLData
Data type Data name Description
double dLatitude Latitude of fix.
char cLatitudeNS N or S of Latitude.
double dLongitude Longitude of fix.
char cLongitudeEW E or W of longitude
char cFixTime[10] UTC time of fix by hhmmss.ss.
char cDataValid Data status. (A=valid data)
Data structure: stGSAData
Data type Data name Description
char cMode Mode. (M=Manual, forced to operate in 2D or 3D
A=Automatic, 3D/2D)
int iModeValue Mode value. (1=Fix not available, 2=2D, 3=3D)
int iPRN[12] PRN of Satellite Vechicles(SV's) used in position fix.
(0 for unused field.)
double dPDOP Position Dilution of Precision (PDOP)
double dHDOP Horizontal Dilution of Precision (HDOP)
double dVDOP Vertical Dilution of Precision (VDOP)
Data structure: stGSVData
Data type Data name Description
int iSVCount Number of Satellites in view.
stSVData SVData[12] Data of Satellites in view.
Data structure: stSVData
Data type Data name Description
int iPRN SV PRN number.
int iElevInDegree Elevation in degrees. 90 maximum.
int iAziInDegree Azimuth degrees from true north, 000~359.
int iSNR Signal-Noise Ratio, 00~99 db