General Information
3
2. GENERAL INFORMATION
2.1 Overview
The X91 receiver provides the following features:
Centimeter-accuracy, real-time positioning with RTK/OTF
data.
Sub-meter-accuracy, real-time positioning using
pseudo-range corrections.
Automatic OTF initialization while moving
Single Lithium-ion rechargeable battery
Cable-free Bluetooth® communications with the data
controllers
One 10-Pin LEMO port for:
o RTCM 2.X and 3.0 input and output
o CMR input and output
o NMEA0183 output
One TNC radio antenna connector
Internal Memory for data storage
2.2 Technical Specification
GNSS characteristic
220 channels with simultaneously tracked satellite signals :
− GPS: L1C/A,L2C, L2E, L5
− GLONASS: L1C/A, L1P, L2C/A, L2P
− SBAS: WAAS, EGNOS, MSAS
− Galileo: GIOVEA and GIOVEB
− Forthcoming Signals
Real Time Kinematics (RTK)
Horizontal: ± (10mm+1ppm) RMS
Vertical: ± (20mm+1ppm) RMS
Initializing Time: 10S
Initialization Reliability: Typical >99.9%
Static
Horizontal: ± (2.5mm+1ppm) RMS