Royal Netherlands Navy 9m x 6m Planar / Cylindrical Near-Field System

System General Information

Customer

Royal Netherlands Navy

Country

The Netherlands (Holland)

Nearfield scan type

Planar and cylindrical

NSI Scanner Model No.

400V-30x22G

NSI Scanner construction

Granite base, Steel tower & column

Frequency range

1-40 GHz

RF Subsystem

HP 85301B

Optical Subsystem

NSI-OP-5929 XYZ Laser Correction System

Antenna types tested

Shipborne radar antennas

Completion Date

December, 1997

Approximate Development Time

1 year

System Mechanical Characteristics

Parameter

Specification

XY Scanner Size

9m x 6.7m

30’ x 22’

XY Scanner weight

18,275 Kg

40,300 lbs

Scan speed for X,Y axes

0.25 m/s

10 ips

Scanner planarity (rms)

0.100 mm

0.004"

Scanner planarity – corrected (rms)

0.025 mm

0.001"

AUT Z stage travel

4.5m

15’

AUT Azimuth Stage Load Capacity

9,100 kg

20,000 lbs