CPT7 performance specifications

All specifications subject to GNSS system characteristics.

CPT7 receiver performance

Accuracy

Position accuracy1

Single point L1

1.5 m RMS

Single point L1/L2

1.2 m RMS

SBAS2

60 cm RMS

DGPS

40 cm RMS

TerraStar‑L3

40 cm RMS

TerraStar‑C PRO3

2.0 cm RMS

TerraStar-X3

2.0 cm RMS

RTK

1 cm + 1 ppm RMS

Time accuracy4

<5 ns RMS

Velocity accuracy

<0.03 m/s RMS

Measurement precision5

 

  

Code

Carrier

GPS

L1 C/A

4 cm

0.5 mm

L2 P(Y)

8 cm

1.0 mm

L2 C

8 cm

0.5 mm

L5

3 cm

0.5 mm

GLONASS

L1 C/A

8 cm

1.0 mm

L2 P

8 cm

1.0 mm

L2 C/A

8 cm

1.0 mm

Galileo

E1

3 cm

0.5 mm

E5a

3 cm

0.75 mm

E5b

3 cm

0.75 mm

E5 AltBOC

3 cm

0.75 mm

BeiDou

B1I

4 cm

0.5 mm

B1C

3 cm

0.5 mm

B2I

4 cm

0.5 mm

B2a

3 cm

0.5 mm

B2b6

3 cm

0.5 mm

ALIGN heading accuracy

Baseline = 2 m

0.08 degrees

Baseline = 4 m

0.05 degrees

Velocity limit7

600 m/s

Signals

Signals tracked8

primary antenna

GPS

L1 C/A, L1C, L2C, L2P, L5

GLONASS

L1 C/A, L2 C/A, L2P, L3

BeiDou

B1I, B1C, B2I, B2a, B2b

Galileo9

E1, E5 AltBOC, E5a, E5b

NavIC (IRNSS)

L5

QZSS

L1 C/A, L1C, L1S, L2C, L5

SBAS

L1, L5

L-Band10

Up to 5 channels

Signals tracked11

secondary antenna

GPS

L1 C/A, L1C, L2C, L2P, L5

GLONASS

L1 C/A, L2 C/A, L2P, L3

BeiDou

B1I, B1C, B2I, B2a, B2b

Galileo12

E1, E5 AltBOC, E5a, E5b

NavIC (IRNSS)

L5

QZSS

L1 C/A, L1C, L1S, L2C, L5

Signal reacquisition

L1

<0.5 s (typical)

L2 and L5

<1.0 s (typical)

Time to First Fix

Hot: <20 s (Almanac and recent ephemeris saved and approximate position and time entered)

Cold: <34 s (No almanac or ephemeris and no approximate position or time)

Data

Data rates

GNSS measurements

up to 20 Hz

GNSS position

up to 20 Hz

INS solution

up to 200 Hz

IMU raw data rate

100 Hz or 400 Hz