Et-312 – USGlobalsat ET-312 User Manual

Page 3

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ET-312

Page 3 of 21

Version 1.4

Channels 20

Flash 4Mbit

Sensitivity Tracking:-159dBm
Cold Start

42 seconds, average

Warm Start

38 seconds, average

Hot Start

1 second, average

Reacquisition

0.1 second, average

Accuracy

Position: 10 meters, 2D RMS

5 meters, 2D RMS, WAAS enabled

Velocity: 0.1 m/s
Time: 1us synchronized to GPS time

Maximum Altitude

＜

18,000 meter

Maximum Velocity

＜

515 meter/second

Maximum Acceleration

＜

Update Rate

1 Hz

DGPS

WAAS, EGNOS, MSAS

Datum WGS-84

Interface

I/O Pins

1 serial ports

Physical Characteristic

Type

13-pin stamp holes

Dimensions

28 mm * 20 mm * 2.9 mm

DC Characteristics

Power Supply

3.3Vdc ± 5%

Backup Voltage

2.0 ~ 3.6Vdc ± 10%

Power Consumption

Acquisition: 60mA

Tracking: 42mA

Environmental Range

Humidity Range

5% to 95% non-condensing

Operation Temperature

-30℃ to 85℃

Storage Temperature

-40℃ to 85℃