ER-RT High Precision Timing Board

Frequency:

GPS L1:C/A code, 12 channels

BDS: 12 channels

Update rate:

1Hz

Precision:

Horizontal<6m(1σ)

Height<11m(1σ)

1PPS:

GPS/UTC time service accuracy error <15ns (1σ)

BDS/UTC time service accuracy error <15ns (1σ)

Time to first fix:

<60s (90%)

Losing lock recapture:

<10s (90%)

Acquisition sensitivity:

GPS system: -130 dBm

BDS system: -130 dBm

Dynamic range:

GPS system: -90dBm ～ -130dBm

BDS system: -84dBm ～ -124dBm

Physical characteristics

Weight:

16±2g

Dimension:

77.0 × 33.0  ×13.6 ±0.2 mm

Environmental   characteristics

Working temperature:

-40 ～ +75℃

Storage temperature:

-45 ～ +85℃

Working humidity：

5% ～ 95%RH, +60℃, No condensation

Height:

-400 ～ 18000m

Electrical   characteristics

Working voltage:

+3.3V DC±0.1V DC

Power consumption:

≤0.75W @3.3V in room temperature

Interface 

Port:

one both way port, LVTTL level

1PPS output:

3.3V LVCMOS level, pulse width 1 ～ 500 ms, adjustable

Protocol:

Completely compatible with Trimble Resolution-T software   protocol

Data output format:

NMEA0183\ binary system

Drive output:

two external LED drive output        EVENT_MARK input

Baud rate:

9600～115200bps