Altina GPS Receiver GPS 9540 User Manual

G-Mouse GPS User Manual  
GPS GGM308  
PS-2 Connector  
Version 1.01 2004 / 09 / 16  
i
Copyright is reserved by Altina  
 
1 OVERVIEW  
Congratulation on your purchase of Altina, which manufacture and provide various  
GPS applications. Altina’s GGM308 GPS Receiver provides you various applications  
such as car navigation, marine navigation, mapping, surveying, security, agriculture and so  
on. It communicates with device (such as PocketPC or notebook) via compatible  
dual-channel through RS-232 or TTL and saves satellite data by built–in backup memory.  
Low power consumption technology enables GGM308 and your device to save more  
operating power. Furthermore, GGM308 can track up to 12 satellites at a time, re-acquire  
satellite signals in 100ms and update position data every second. Trickle-Power allows  
the unit to operate a fraction of the time, and Push-to-Fix permits user to have a quicker  
position fix even though the receiver stays off.  
2 PRODUCT FEATURE  
SiRF Star e/LP ”High Performance and Low Power Consumption Chipset  
Integrated ARM7TDMI CPU  
Cold Start : within 45 seconds.  
A rechargeable battery sustains internal clock and memory and can be recharged  
during normal operation.  
All-in-View 12-channel parallel processing.  
Support NMEA 0183 V2.2 command  
Optional communication levels, RS-232 and TTL  
Reacquisition Time: 0.1 seconds  
Support Accurate 1PPS Output Signal Aligned with GPS Timing  
Water proof design enable receiver to continuously operate for 4 days under  
1meter water deep.  
Built-in hardware Tracking Loop Processor WAAS/EGNOS Demodulator and  
NDGPS/U.S. Coast Guard Beacon support  
Obvious LED display status: LED provides users visible positioning status. LED  
“ON” : power connected; “BLINKING”: positioned.  
3
 
 
Differential capability utilizes real-time RTCM corrections to provide 1-5 meter  
precise position accuracy.  
FLASH base program memory  
3 SPECIFICATION  
Key Feture  
Frequency  
L1, 1575.42 MHz  
C/A Code  
Channels  
Sensitivity  
1.023 MHz chip rate  
12  
-173 dBW  
Non DGPS (Differential GPS)  
Position Horizontal 5 to 25 meter CEP, without SA  
Velocity  
Time  
0.1 meter/second, without SA  
1 microsecond synchronized GPS time  
DGPS (Differential GPS)  
Position Horizontal 1 to 5 meter, typical  
Velocity  
0.05 meter/second, typical  
EGNOS/WAAS  
Datum  
< 2.2 m, horizontal 95% of time  
WGS-84  
Performance  
Hot start  
8 sec., average  
Warm start  
Cold start  
38 sec., average  
45 sec., average  
Reacquisition  
GPS Protocol  
GPS Output Data  
0.1 sec. average  
Default: NMEA 0183 V2.2 (Secondary: SiRF binary)  
SiRF binary >> position, velocity, altitude, status and control ;  
NMEA 0183 protocol, and supports command:  
GGA, GSA, GSV, RMC, VTG, GLL (VTG and GLL are optional)  
Software command setting (Default : 4800,n,8,1 for NMEA )  
GPS transfer rate  
Acceleration Limit  
Altitude Limit  
Velocity Limit  
Jerk Limit  
Less than 4g  
18,000 meters (60,000 feet) ma  
515 meters/sec. (1,000 knots) max.  
20 meters/second, max  
Operating  
-40oC to +85oC(internal temperature).  
4
 
 
Storage  
-45oC to +100oC  
Input Voltage  
Power consumption  
+4.75 ~ 5.5 VDC without accessories.  
<80mA at 4.5- 5.5V input  
Dimension  
2.32" x 1.85" x 0.82" (59.32mm x 51.28mm x 20.3mm)  
60" (1500mm)  
Cable Length  
5
 
4 HARDWARE  
4.1. Dimension  
6
 
 
4.2. Output terminal and definition  
Output terminal: PS-2 female  
Pin Definition:  
PS-2 female connector  
Signal  
Pin  
RS-232  
RS-232+TTL  
TX (RS232)  
+5VDC  
1
2
3
4
5
6
TX  
+5VDC  
NC  
TX (TTL)  
Ground  
Ground  
DGPS IN  
RX  
RX (TTL)  
RX (RS232)  
7
 
 
5. SOFTWARE DATA  
NMEA 0183 V2.2 Protocol  
Use RS-232 interface4800 bps, 8 bit data, 1 stop bit and no parity.  
5.1. NMEA Output Message  
Table 5-1 NMEA-0183 Output Messages  
NMEA Record  
Description  
GPGGA  
GPGLL  
GPGSA  
GPGSV  
GPRMC  
GPVTG  
Global positioning system fixed data  
Geographic position: latitude/longitude  
GNSS DOP and active satellites  
GNSS satellites in view  
Recommended minimum specific GNSS data  
Course over ground and ground speed  
5.2. Global Positioning System Fix Data (GGA)  
Table 5-2 contains the values for the following example  
$GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M, , , ,0000*18  
Table 5-2 GGA Data Format  
Name  
Message ID  
Example  
Units  
Description  
$GPGGA  
GGA protocol header  
hhmmss.sss  
UTC Time  
161229.487  
Latitude  
3723.2475  
ddmm.mmmm  
N/S Indicator  
Longitude  
N
N=north or S=south  
dddmm.mmmm  
12158.3416  
E/W Indicator  
Position Fix Indicator  
Satellites Used  
HDOP  
W
1
E=east or W=west  
See Table 5-3  
07  
1.0  
9.0  
Range 0 to 12  
Horizontal Dilution of Precision  
MSL Altitude  
Meters  
8
 
 
Table 5-2 GGA Data Format-continue  
Name  
Example  
Units  
Description  
Units  
M
Meters  
Meters  
Meters  
Geoid Separation  
Units  
M
Age of Diff. Corr.  
Diff. Ref. Station ID  
Checksum  
second Null fields when DGPS is not used  
0000  
*18  
<CR> <LF>  
End of message termination  
Table 5-3 Position Fix Indicator  
Value  
Description  
0
1
2
3
0 Fix not available or invalid  
GPS SPS Mode, fix valid  
Differential GPS, SPS Mode, fix valid  
GPS PPS Mode, fix valid  
5.3. Geographic Position with Latitude/Longitude(GLL)  
Table 5-3 contains the values for the following example.  
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C  
Table 5-4 GLL Data Format  
Name  
Message ID  
Latitude  
Example  
$GPGLL  
3723.2475  
N
Units  
Description  
GLL protocol header  
ddmm.mmmm  
N/S Indicator  
Longitude  
N/S Indicator N N=north or S=south  
dddmm.mmmm  
12158.3416  
W
E/W Indicator  
UTC Position  
Status  
E=east or W=west  
161229.487  
A
hhmmss.sss  
A=data valid or V=data not valid  
Checksum  
<CR> <LF>  
*2C  
End of message termination  
9
 
 
5.4. GNSS DOP and Active Satellites (GSA)  
Table 5-4 contains the values for the following example.  
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33  
Table 5-5 GSA Data Format  
Name  
Message ID  
Mode 1  
Example Units  
Description  
GSA protocol header  
See Table 5-6  
$GPGSA  
A
3
Mode 2  
See Table 5-7  
Satellite Used(1)  
Satellite Used(1)  
Satellite Used  
PDOP  
07  
02  
Sv on Channel 1  
Sv on Channel 2  
Sv on Channel 12  
1.8  
1.0  
1.5  
*33  
Position Dilution of Precision  
Horizontal Dilution of Precision  
Vertical Dilution of Precision  
HDOP  
VDOP  
Checksum  
<CR> <LF>  
End of message termination  
NOTE: Satellite used in solution.  
Table 5-6 Mode 1  
Value  
Description  
M
A
Manual—forced to operate in 2D or 3D mode  
2DAutomatic—allowed to automatically switch 2D/3D  
Table 5-7 Mode 2  
Value  
Description  
1
2
3
Fix Not Available  
2D  
3D  
10  
 
 
5.5. GNSS Satellites in View (GSV)  
Table 5-8 contains the values for the following example  
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71  
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41  
Table 5-8 GSV Data Format  
Name  
Message ID  
Number of  
Example  
$GPGSV  
2
Units  
Description  
GSV protocol header  
Range 1 to 3  
Messages  
Message Number  
Satellites in View  
Satellite ID  
1
07  
07  
79  
048  
42  
Range 1 to 3  
Range 1 to 12  
Channel 1 (Range 1 to 32)  
Elevation  
degrees Channel 1 (Maximum 90)  
degrees Channel 1 (True, Range 0 to 359)  
dBHz Range 0 to 99, null when not  
tracking  
Azimuth  
SNR (C/No)  
Satellite ID  
Elevation  
Azimuth  
27  
27  
Channel 4 (Range 1 to 32)  
degrees Channel 4 (Maximum 90)  
degrees Channel 4 (True, Range 0 to 359)  
dBHz Range 0 to 99, null when not  
tracking  
138  
42  
SNR (C/No)  
Checksum  
*71  
<CR> <LF>  
End of message termination  
NOTE: Items <4>,<5>,<6> and <7> repeat for each satellite in view to a maximum of four (4) satellites per sentence. Additional satellites  
in view information must be sent in subsequent sentences. These fields will be null if unused.  
5.6. Recommended Minimum Specific GNSS Data (RMC)  
Table 5-9 contains the values for the following example.  
$GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10  
11  
 
 
Table 5-9 RMC Data Format  
Name  
Message ID  
UTC Time  
Status  
Example  
Units  
Description  
RMC protocol header  
hhmmss.sss  
$GPRMC  
161229.487  
A
3723.2475  
N
A=data valid or V=data not valid  
ddmm.mmmm  
Latitude  
N/S Indicator  
Longitude  
E/W Indicator  
Speed Over  
Ground  
N=north or S=south  
dddmm.mmmm  
12158.3416  
W
E=east or W=west  
0.13  
knots  
Course Over  
Ground  
309.62  
120598  
degrees True  
Date  
ddmmyy  
degrees E=east or W=west  
Magnetic  
Variation(1)  
Checksum  
<CR> <LF>  
*10  
End of message termination  
NOTE: SiRF Technology Inc. does not support magnetic declination. All “course over ground” data are  
geodetic WGS84 directions.  
5.7. Course Over Ground and Ground Speed (VTG)  
Table 5-10 contains the values for the following example.  
$GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E  
Table 5-10 VTG Data Format  
Name  
Message ID  
Course  
Example  
$GPVTG  
309.62  
T
Units  
Description  
VTG protocol header  
degrees Measured heading  
True  
Reference  
Course  
degrees Measured heading  
Magnetic(1)  
Reference  
Speed  
M
0.13  
N
knots Measured horizontal speed  
Knots  
Units  
Speed  
0.2  
km/hr Measured horizontal speed  
12  
 
 
Units  
K
Kilometers per hour  
Checksum  
<CR> <LF>  
*6E  
End of message termination  
NOTE: SiRF Technology Inc. does not support magnetic declination. All “course over ground” data are  
geodetic WGS84 directions.  
5.8. RTCM Received Data  
The default communication parameters for DGPS Input are 4800 baud, 8 data bits, stop bit,  
and no parity. Position accuracy of less than 5 meters can be achieved with the GGM-308  
by using Differential GPS (DGPS) real-time pseudo-range correction data in RTCM SC-104  
format, with message types 1, 2 or 9. As using DGPS receiver with different  
communication parameters, GGM-308 may decode the data correctly to generate accurate  
messages and save them in battery-back SRAM for later computing.  
6. Warranty  
A) Device: Altina warrants to the original end user (“Customer”) that new Altina branded  
products will be free from defects in workmanship and materials, under normal use, for one  
year if you are a purchaser in North America, Central America, and South America; 2 years  
if you are a purchaser in a EU member state that has enacted into national law the EU  
Directive on Consumer Guarantees (99/44/EC) from the original purchase date. At the time  
of service, the owner will need to be able to provide evidence of date and place of purchase  
and serial number.  
B) Exclusions: This warranty excludes (1) physical damage to the surface of the product; (2)  
damage caused by misuse, neglect, improper installation or testing, unauthorized attempts  
to open, repair, or modify the product, or any other cause beyond the range of the intended  
use; (3) damage caused by accident, fire, power changes, other hazards, or acts of God; or  
(4) use of the product with any non-Altina device or service if such device or service caused  
the problem.  
Any third party products, including software, included with Altina products are not covered  
by this Altina warranty and Altina makes no representations or warranties on behalf of such  
third parties. Any warranty on such products is from the supplier or licensor of the product.  
C) Exclusive remedies: Should a covered defect occur during the warranty period and you  
notify Altina, your sole and exclusive remedy shall be, at Altina’s sole option and expense,  
to repair or replace the product. If Altina cannot reasonably repair nor replace then Altina  
may, in its sole discretion, refund the purchase price paid for the product. Replacement  
products or parts may be new or reconditioned or comparable versions of the defective  
13  
 
 
item.  
D) Obtaining warranty service: Dated proof of original purchase will be required. Products  
or parts shipped by Customer to Altina must be sent postage-paid and packaged  
appropriately for safe shipment. Altina is not responsible for Customer products received  
without a warranty service authorization and may be rejected. Repaired or replacement  
products become the property of Altina.  
WARRANTIES EXCLUSIVE: THE FOREGOING WARRANTIES AND REMEDIES ARE  
EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OF IMPLIED,  
INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR  
PURPOSE, CORRESPONDENCE WITH DESCRIPTION, AND NON-INFRINGEMENT,  
ALL OF WHICH EXPRESSLY DISCLAIMED.  
LIMITATION OF LIABILITY: NEITHER ALTINA NOR ITS SUPPLIERS SHALL BE LIABLE  
FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES  
OF ANY KIND, LOSS OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS  
ARISING OUT OF OR IN CONNECTION WITH THE SALE OR USE OF THIS PRODUCTS,  
WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE) OR ANY OTHER  
THEORY, EVEN IF ALTINA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH  
DAMAGES. ALTINA’S ENTIRE LIABILITY SHALL BE LIMITED TO REPLACEMENT,  
REPAIR, OR REFUND OF THE PURCHASE PRICE PAID, AT ALTINA’S OPTION.  
14  
 

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