Sanding Dual-Frequency T9 Gnss Rtk System

RECEIVER

MEASUREMENT

General Information

-220 channels, by advanced Pacific Crest Maxwell 6 Custom Survey GNSS technology.

-High precision multiple correlator for GNSS pseudo range measurements.

-Unfiltered, unsmoothed pseudo range measurements data for low noise, low multipath error, low time domain correlation and high dynamic response.

-Very low noise GNSS carrier phase measurements with 1mm precision in a 1Hz bandwidth.

-Signal-to-Noise ratios reported in dB-Hz.

-Proven Pacific Crest low elevation tracking technology.

Satellite Signals Tracked Simultaneously

-GPS: L1 C/A, L2E, L2C, L5 (reserved)

-GLONASS: L1 C/A, L1 P, L2C/A (GLONASS M only), L2 P

-SBAS: L1 C/A, L5 (reserved)

-Galileo: (reserved)

Supports GIOVE-A: L1BOC, E5A, E5B, E5AltBOC

Supports GIOVE-B: L1CBOC, E5A, E5B, E5AltBOC

-Compass: (reserved)

B1 (QPSK), B1-MBOC (6,1,1/11), B1-2 (QPSK)

B2 (QPSK), B2-BOC (10, 5),

B3 (QPSK), B3BOC (15, 2.5)

L5 (QPSK)

Code Differential GNSS Positioning

Horizontal: 25cm+1ppm RMS

Vertical: 50cm+1ppm RMS

SBAS differential positioning accuracy: typically <5m 3DRMS

Static and FastStatic GNSS Surveying

Horizontal: 3.0mm+0.5ppm RMS

Vertical: 5.0mm+0.5ppm RMS

Realtime Kinematic Surveying

Horizontal: 8mm+1ppm RMS

Vertical: 15mm+1ppm RMS

Initialization time: typically <8s

Initialization reliability: typically >99.9%

HARDWARE

Physical

Dimension (L x W x H): 184mm x 184mm x 96mm (7.2in x 7.2in x 3.8in)

Weight: 1.2kg (2.64 lb) with internal battery, internal radio

Temperature

Operating: -40 ~ +75 (-49F ~ +167F)

Storage: -55 ~ +85 (-67F ~ +185F)

Humidity: 100%, condensing

Water/Dustproof: IP67, protected from temporary immersion to depth of 1m (3.28ft).

Shock and vibration: Designed to survive a 2m (6.6ft) pole drop onto concrete

Electrical

Power 12-15V DC external power input

Rechargeable, removable 7.4V, 2.5Ah Lithium-ion battery in internal battery compartment.

Battery life: 6-10 hours for 2 batteries from standard supply (varies with temperature and working mode).

Communications and Data Storage

Standard USB2.0 port

RS-232 port: Baud rates up to 115200

Stollmann's BlueMod+B20 is used inside for Bluetooth function.

Fully sealed and integrated 2.4GHz communication Bluetooth port.

UHF receiving antenna port and GPRS/GSM signal antenna port.

Fully sealed and integrated MDS series receiver/transmitter option:

-Optional frequency:

MDA module: 410-430MHz

MDB module: 430-450MHz

MDC module: 450-470MHz

Fully sealed and integrated internal SIEMENS Mc75. GPRS/GSM module.

External cellphone support for GPRS/GSM module for network RTK (CORS) operations.

Network RTK (via CORS) performance (varies with temperature and GPRS data rate): 20-50km

Data storage: internal memory 4GB.

Update Rate: 1Hz, 2Hz, 5 Hz, 10 Hz, 20 Hz, and 50 Hz positioning outputs (depends on installed option, default 1Hz)

Reference outputs: CMR, CMR+, RTCM 2.1, RTCM 2.2, RTCM 2.3, RTCM 3.0, RTCM 3.1

RADIO

Standard GDL20 Radio (Default configuration)

-Transmit power: 25W

-UHF Range (varies with terrain and temperature): 8-10 km typical/15-20km optimal

Mini GDL5 Radio (optional)

-Transmit power: 2/5W

-UHF Range (varies with terrain and temperature): 3-5km typical/8-10km optimal

Mini GDL2 Radio (optional)

-Transmit power: 0.5/2W

-UHF Range (varies with terrain and temperature): 3-5km typical/8-10km optimal