CAST-CRPA specifications and features.

Output Signal Types

GPS: L1, L2, L2C, L5, C/A-Code, P-Code, Y-Code, SAASM, M-Code AES, M-Code MNSA

BeiDou: BDS-B1L, BDS-B1C

Galileo: E1, E5a




Maximum Dynamics

Velocity:  > 60,000 m/s

Acceleration:  ± 150,000 m/s2

Jerk: ± 150,000 m/s3

Signal Output Levels (Nominal)

GPS:   -160 dBW


Galileo: -152 dBW

Beidou:-163 dBW

SBAS: -160 dBW

Signal Level Control

Range:  ± 30 dB

Resolution: 0.1 dB

L1/L2 Differential Delay

Range:  ± 0.3 m

Resolution: < 1 mm

Signal Accuracy

Pseudorange: 1 mm

Pseudorange Rate: 1 mm/s

Delta Pseudorange: 1 mm

Interchannel Bias: < 1 mm

Uncontrolled Bias:  < 1 mm

Bias Repeatability (initial):< 1 mm

Bias Stability (operational):< 1 mm

Signal Quality

Spurious:  < -45 dBc

Harmonics:  < -50 dBc

Reference Oscillator: 10MHz OCXO

Frequency Stability: 3×10-9 per day

System Options

6-DOF Real Time Interface

Y-Code, SAASM, M-Code MNSA

Coherent Jamming and Signals

High Power GNSS Output Option

Inertial Interface

Avionics Interfaces

Remote Control DLL

Additional Antenna Elements

Up to 8 Element CRPA Testing per Chassis

Multiple Chassis can be Synchronized

System Features

Provides coherent, highly accurate, signals and advanced vehicle trajectory capabilities for phased-array antenna system testing

3D Antenna Phase/Gain Pattern output capability can be customized on a per element basis

Ability to support up to 8 antenna elements per chassis, multiple chassis can be synchronized together for multiple phased-array output capabilities

Includes a complete 6-DOF motion generation capability

Contains mature avionic sensor modeling for Barometric Altimeter, Attitude Heading Reference System, Radar Altimeter, and Doppler

Simulates sensors to provide the necessary fully coordinated, dynamic vertical channel aiding needed to maintain Kalman filter stability of the navigation system

Includes post-processing capability for determining system performance

Provides a dynamic, precisely coordinated simulation of numerous navigation signals to a GNSS/INS navigation system.