COBHAM SEA TEL 9711IMA-70, Installation Manual

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9711IMA-70 9711IMA-70 Technical Specifications
17-1
17. 9711IMA-70 Technical Specifications
The technical specifications for your system are listed below:
17.1. Above Decks Equipment
System Weight (ADE)
Weight 1201 Lbs w/ 144" Radome (max), 1591 Lbs w/ 168"
Radome
Stabilized Antenna Pedestal
Assembly
Type Three-axis (Level, Cross Level and Azimuth)
Stabilization Torque Mode Servo / Two Axis W/Pol
Stability Accuracy 0.1° RMS, 0.2° peak in presence of specified ship
motions (see below).
Azimuth Motor Size 34 Brushless DC Servo, Double Stacked W/Encoder
Level Motor Size 34 Brushless DC Servo W/Brake
Cross Level Motor Size 34 Brushless DC Servo W/Brake
Inertial Reference 3 Solid State Rate Sensors
Gravity Reference 2 MEMS Tilt Sensors
AZ transducer 256 line optical encoder / home switch
Pedestal Range of Motion:
Elevation Joint Angle -15 to +100 degrees
Cross Level (Inclined 30°) +/- 25 degrees
Azimuth Unlimited
Elevation Pointing +0 to +85 degrees (with 15 degree Roll)
+5 to +80 degrees (with 20 degree Roll)
+10 to +75 degrees (with 25 degree Roll)
Relative Azimuth Pointing Unlimited
Maximum Ship Motions
Roll +/- 25 degrees (Roll only)
+/- 20 degrees (combined with Pitch)
Pitch +/-15° at 6-12 sec periods
Yaw +/-8 degrees at 15-20 sec periods
Turning rate Up to 12 deg/sec and 15 deg/sec/sec
Headway Up to 50 knots
Heave 0.5G
Surge 0.2G
Sway 0.2G
EAR Controlled - ECCN EAR99