RGPSM002WA Semtech, RGPSM002WA Datasheet - Page 12

• Manufacturer Part Number: RGPSM002WA
• Description: MODULE GPS RECEIVER LOW POWER
• Manufacturer: Semtech

Specifications of RGPSM002WA

• Frequency: 1.575GHz
• Sensitivity: -143dBm
• Modulation Or Protocol: GPS
• Applications: Automotive, Laptop, PDA
• Current - Receiving: 19mA
• Data Interface: Connector, 16 Contact Board to Board
• Voltage - Supply: 2.7 V ~ 3.6 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Operating Temperature: -
• Memory Size: -
• Data Rate - Maximum: -
• Antenna Connector: -

5.3.6
Description: This message reports the time, date, position, course, and speed from the receiver’s navigation solution.
RMC is described in Table 14.
Example: The values reported in this example are interpreted as shown in Table 14:
$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, 02.6,W,A*10
5.3.7
Description: This message reports current ground course and speed data. Course is reported relative to true north
only. The VTG message is defined in Table 15.
Example: The values reported in this example are interpreted as shown in Table 15:
$GPVTG,137.7,T,139.6,M,007.4,N,013.7,K,A*47
© Semtech 2005
RMC—Recommended Minimum Specific GNSS Data
VTG—Course Over Ground and Ground Speed
Name
Message ID
UTC Position
Status
Latitude
N/S Indicator
Longitude
E/W Indicator
Speed Over Ground
Course Over Ground
Date
Magnetic Variation
E/W Indicator
Mode Indicator
Checksum
<CR><LF>
1
Name
Message ID
Course
Reference
Course
Reference
Speed
Units
Speed
Units
Mode Indicator
Checksum
<CR><LF>
1
All "course over ground" data are geodetic WGS84 directions.
All "course over ground" data are geodetic WGS84.
1
Example
$GPRMC
161229.487
A
3723.2475
N
12158.3416
W
0.13
309.62
120598
02.6
W
A
*10
Example
$GPVTG
309.62
T
139.6
M
0.13
N
0.2
K
A
*6E
Table 14. RMC Data Format
Table 15. VTG Data Format
Units
knots
degrees
degrees
Units
degrees
degrees
knots
km/hr
12
True
Dd mm yy
End of message termination
End of message termination
Description
RMC protocol header
Hh mm ss.sss
A = data valid or V = data not valid
Dd mm.mmmm
N = north or S = south
Ddd mm.mmmm
E = east or W = west
E = east or W = west
A = autonomous, D = differential, E = estimated,
M = manual input, S=simulator mode, N = not
valid
Description
VTG protocol header
Measured heading
True
Measured heading
Magnetic
Measured horizontal speed
Knots
Measured horizontal speed
Kilometer per hour
A = autonomous, D = differential, E = estimated,
M = manual input, S=simulator mode, N = not
valid
1
RGPSM002
GPS Receiver
www.semtech.com