GPS-310FS RF Solutions, GPS-310FS Datasheet - Page 8

• Manufacturer Part Number: GPS-310FS
• Description: MODULE, GPS RECEIVER, EXT ANT
• Manufacturer: RF Solutions

Specifications of GPS-310FS

• Power Supply: 3.3V
• Supply Current: 45mA
• Svhc: No SVHC (15-Dec-2010)
• Sensitivity: -155dBm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS-310-FS-1
NMEA Messages
The serial interface protocol is based on the National Marine Electronics Association’s NMEA 0183 ASCII
interface specification. This standard is fully define in “NMEA 0183, Version 3.01” The standard may be
obtained from NMEA, www.nmea.org
GGA - GPS FIX DATA
Time, position and position-fix related data (number of satellites in use, HDOP, etc.).
Format:
$GPGGA,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,M,<10>,M,<11>,<12>,*<13><CR><LF>
Example:
$GPGGA,104549.04,2447.2038,N,12100.4990,E,1,06,01.7,00078.8,M,0016.3,M,,*5C<CR><LF>
Note: The checksum field starts with a ‘*’ and consists of 2 characters representing a hex number. The
checksum is the exclusive OR of all characters between ‘$’ and ‘*’.
Field
10
12
13
11
1
2
3
4
5
6
7
8
9
12100.4990 Longitude in dddmm.mmmm format
104549.04 UTC time in hhmmss.ss format, 000000.00 ~ 235959.99
2447.2038 Latitude in ddmm.mmmm format
Example
00078.8
June ’08
0016.3
01.7
5C
06
Embedded GPS Module
N
E
1
Leading zeros transmitted
Latitude hemisphere indicator, ‘N’ = North, ‘S’ = South
Leading zeros transmitted
Longitude hemisphere indicator, 'E' = East, 'W' = West
Position fix quality indicator
Number of satellites in use, 00 ~ 12
Horizontal dilution of precision, 00.0 ~ 99.9
Antenna height above/below mean sea level, -9999.9 ~ 17999.9
Geoidal height, -999.9 ~ 9999.9
Age of DGPS data since last valid RTCM transmission in xxx format (seconds)
NULL when DGPS not used
Differential reference station ID, 0000 ~ 1023
NULL when DGPS not used
Checksum
0: position fix unavailable
1: valid position fix, SPS mode
2: valid position fix, differential GPS mode
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Description
Page 8
GPS-310FS