COBHAM Sea Tel 9711-56 IMA C Band, Installation Manual

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Sea Tel 9711-56 IMA 9711-56 IMA Technical Specifications
19-1
EAR Controlled - ECCN EAR99
19. 9711-56 IMA Technical Specifications
The technical specifications for your system are listed below:
19.1. Above Decks Equipment
System Weight (ADE)
Weight
1180 Lbs w/ 144" Radome, 1610 Lbs w/ 168" Radome
Stabilized Antenna Pedestal
Assembly
Type Three-axis (Level, Cross Level and Azimuth)
Stabilization Torque Mode Servo
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 Solid State 3-Axis Accelerometers
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
Specified Ship Motion (for
stability accuracy tests)
Roll +/- 20° at 8 second period
Pitch 10° Fixed
Relative Azimuth (Heading) 0, 45 and 90° with respect to roll input