Magellan GPS 310 User Manual download pdf (Page 42)

GGA Global Positioning System Fix Data

1 2 3 4 5 6 7 8 9 10 11

GGA,hhmmss.ss,1111.11,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,

12 13 14

M,x.x,xxxx*hh

1 UTC of Position

2-3 Latitude - N/S

4-5 Longitude - E/W

6 GPS Quality Indicator

0 = fix not available or invalid

1 = GPS SPS Mode, Fix valid

2 = Differential GPS, SPS Mode, fix valid

3 = GPS PPS Mode, fix valid

7 Number of satellites in use (00-12, may be

different from the number in view)

8 Horizontal dilution of precision

9 Antenna altitude above/below mean sea level

10 Units of antenna altitude, meters

11 Geoidal separation - difference between the WGS-

84 earth ellipsoid and mean sea level (geoid), “-

” = mean sea level below ellipsoid

12 Units of geoidal separation, meters.

13 Age of Differential GPS data - Time in seconds

since last SC104 Type 1 or 9 update, null field

when DGPS is not used

14 Differential reference station ID, 0000-1023

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 61 62

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Magellan GPS 310 User Manual Page 42