C NMEA 0183
1 4 0 Lassen SQ GPS Receiver
C.3
Field Definitions
Many of the NMEA date fields are of variable length, and the user
should always use the comma delineators to parse the NMEA message
date field. Table C.2 specifies the definitions of all field types in the
NMEA messages supported by Trimble.
Table C.2
Field Type Summary
Type
Symbol
Definition
Status
A
Single character field:
A=Yes, data valid, warning flag clear
V=No, data invalid, warning flag set
Special Format Fields
Latitude
llll.lll
Fixed/variable length field:
Degreesminutes.decimal-2 fixed digits of degrees, 2 fixed
digits of minutes and a variable number of digits for decimal-
fraction of minutes. Leading zeros always included for
degrees and minutes to maintain fixed length. The decimal
point and associated decimal-fraction are optional if full
resolution is not required.
Longitude
yyyyy.yyy
Fixed/Variable length field:
Degreesminutes.decimal-3 fixed digits of degrees, 2 fixed
digits of minutes and a variable number of digits for decimal-
fraction of minutes. Leading zeros always included for
degrees and minutes to maintain fixed length. The decimal
point and associated decimal-fraction are optional if full
resolution is not required.
Time
hhmmss.ss
Fixed/Variable length field:
hoursminutesseconds.decimal-2 fixed digits of minutes, 2
fixed digits of seconds and a variable number of digits for
decimal-fraction of seconds. Leading zeros always included
for hours, minutes, and seconds to maintain fixed length. The
decimal point and associated decimal-fraction are optional if
full resolution is not required.
Summary of Contents for SQ
Page 4: ......
Page 12: ...Contents xii Lassen SQ GPS Receiver...
Page 14: ...About this Manual xiv Lassen SQ GPS Receiver...
Page 46: ...2 Hardware Integration 32 Lassen SQ GPS Receiver...
Page 150: ...B TSIP Tool kit User s Guide 136 Lassen SQ GPS Receiver...
Page 166: ...C NMEA 0183 152 Lassen SQ GPS Receiver...
Page 171: ...Lassen SQ GPS Receiver 157 Specifications and Mechanical Drawings D...
Page 175: ...Lassen SQ GPS Receiver 161 Specifications and Mechanical Drawings D...
Page 179: ...Lassen SQ GPS Receiver 165 Specifications and Mechanical Drawings D...
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Page 182: ...D Specifications and Mechanical Drawings 168 Lassen SQ GPS Receiver...