Altina GGM308U manual Specification, Key Feture, Non Dgps Differential GPS, Performance

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FLASH base program memory

3 SPECIFICATION

Key Feture

 

Frequency

L1, 1575.42 MHz

C/A Code

1.023 MHz chip rate

Channels

12

Sensitivity

-173 dBW

Non DGPS (Differential GPS)

Position Horizontal

5 to 25 meter CEP, without SA

Velocity

0.1 meter/second, without SA

Time

1 microsecond synchronized GPS time

DGPS (Differential GPS)

Position Horizontal

1 to 5 meter, typical

Velocity

0.05 meter/second, typical

EGNOS/WAAS

< 2.2 m, horizontal 95% of time

Datum

WGS-84

Performance

 

Hot start

8 sec., average

Warm start

38 sec., average

Cold start

45 sec., average

Reacquisition

0.1 sec. average

GPS Protocol

Default: NMEA 0183 V2.2 (Secondary: SiRF binary)

GPS Output Data

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)

GPS transfer rate

Software command setting (Default : 4800,n,8,1 for NMEA )

Acceleration Limit

Less than 4g

Altitude Limit

18,000 meters (60,000 feet) ma

Velocity Limit

515 meters/sec. (1,000 knots) max.

Jerk Limit

20 meters/second, max

Operating

-40oC to +85oC(internal temperature).

Storage

-45oC to +100oC

Input Voltage

+4.75 ~ 5.5 VDC without accessories.

Power consumption

<80mA at 4.5- 5.5V input

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Contents GPS GGM308U Index Product Feature OverviewSpecification Key FetureNon Dgps Differential GPS Dgps Differential GPSPage Dimension HardwareClick Start menu, select Settings, then enter Control Panel Output terminal and definitionUSB Driver GGM308 USBSoftware Data Nmea Output MessageGlobal Positioning System Fix Data GGA Nmea Record DescriptionGeographic Position with Latitude/LongitudeGLL Hdop$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C $GPGLL$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33 Gnss DOP and Active Satellites GSAValue Description Gnss Satellites in View GSV Recommended Minimum Specific Gnss Data RMC$GPGSV Name Example Units Description Message ID$GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E Course Over Ground and Ground Speed VTG$GPVTG Warranty Rtcm Received Data