Teejet RX 400p Manual do Utilizador descarregar pdf (Página 126)

RX 400p

98-05044 6-4

Table 6-3 GGA Data Message Defined

Field Description

hhmmss.ss UTC time in hours, minutes, seconds of the GPS position

ddmm.mmmmm Latitude in degrees, minutes, and decimal minutes

s s = N or s = S, for North or South latitude

dddmm.mmmmm Longitude in degrees, minutes, and decimal minutes

s s =E or s = W, for East or West longitude

n Quality indicator, 0 = no position, 1 = undifferentially corrected position, 2 =

differentially corrected position, 9= position computed using almanac

qq Number of satellites used in position computation

pp.p HDOP =0.0 to 9.9

saaaa.aa Antenna altitude

M Altitude units, M = meters

xxxx.xx

Geoidal separation (needs geoidal height option)

M Geoidal separation units, M = meters

sss Age of differential corrections in seconds

aaa Reference station identification

*cc Checksum

<CR><LF> Carriage return and line feed

6.5.2 GLL Data Message

The GLL message contains Latitude and Longitude. In Table 6-4, the GLL data

message is broken down into its components. This message has the following

format:

$GPGLL,ddmm.mmmm,s,dddmm.mmmm,s,hhmmss.ss,s*cc<CR><LF>

1 2 ... 121 122 123 124 125 126 127 128 129 130 131 ... 150 151

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