Stonex S990A GNSS Receiver – User Manual v1.0
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POSITIONING
1
HIGH PRECISION STATIC SURVEYING
Horizontal
2.5 mm + 0.1 ppm RMS
Vertical
3.5 mm + 0.4 ppm RMS
CODE DIFFERENTIAL POSITIONING
Accuracy
0.40 m RMS
SBAS POSITIONING
2
Accuracy
0.60 m RMS
REAL TIME KINEMATIC (< 30 Km) – NETWORK RTK³
Fixed RTK Horizontal
5 mm + 0.5 ppm RMS
Fixed RTK Vertical
10 mm + 0.5 ppm RMS
INTEGRATED GNSS ANTENNA
High accuracy four constellation micro-strip antenna, zero phase center, with internal multipath
suppressive board
INTERNAL RADIO (optional)⁵
Model
TRM 121 1 W
Type
Tx - Rx
Frequency range
410 – 470 MHz
902.4 – 928 MHz
Channel Spacing
12.5 KHz / 25 KHz
Range
3 – 4 Km in urban environment
Up to 10 Km with optimal conditions
4