Coastal 18 Ku-Band TVRO
Coastal 18 Technical Specifications
7-3
Noise Figure:
0.9 dB max.
Polarization modes:
Horizontal or Vertical Linear
Polarization control:
18VDC (H) or 13VDC (V) voltage switched
7.5.3. European Quad Universal Linear LNB
Sea Tel Part Number:
122386
Type:
Quad output
LNB Manufacturer:
Brainwave, but may vary
Low Band
High Band
RF Frequencies:
10.7 - 11.7 GHz
11.7 - 12.75 GHz
IF Frequencies:
950 - 1950 MHz
1100 - 2150 MHz
LO Frequencies:
9.75 GHz
10.6 GHz
Noise Figure:
0.7 dB typical
Polarization modes:
2 Horiz., 2 Vert. Outputs
Band Selection:
2 Hi, 2 Lo band outputs
7.6. Stabilized
Pedestal
Type
Three-axis: Elevation, Azimuth and Polarization
Stabilization
3 Dimensional Velocity mode Servo
Stab Accuracy
1.5 degrees MAX, 0.7 degrees RMS in presence of specified
ship motions.
Level, Train Motors
Size 23 DC Step Motors with PWM Microstep drive
Pol skew Motor
Size 23 DC Step Motor
Inertial Reference
3 single axis Solid State Silicon Rate Sensors
Gravity Reference
Two Axis Fluid Tilt Sensor
Azimuth Reference
Closed Loop Tracking on Satellite signal
Stabilization rates
Roll/Pitch
> 25 degrees / second
AZ./Turn
> 15 degrees / second
Range of Motion
Elevation
Coastal 18 & 24 = 10 to 80 degrees
Coastal 30 = 5 to 80 degrees
Azimuth
680 degrees
Polarization
+/- 90 degrees
Maximum Ship Motion
Roll
+/- 25 degrees (implied)
Pitch
+/- 15 degrees (implied)
Elevation Pointing
+/- 0 degrees of Roll
Coastal 18, 24 & 30 = 15 to 70 degrees
+/- 15 degrees of Roll
Coastal 18 & 24 = 25 to 60 degrees
Coastal 30 = 20 to 60 degrees
+/- 25 degrees of Roll
Coastal 18 & 24 = 35 to 50 degrees
Coastal 30 = 30 to 50 degrees
Содержание COASTAL 18
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