General Specifications | | |
Directive Efficiency | 85% | |
Pointing Accuracy | 0.005o rms | |
Surface Accuracy | 0.012" rms | |
Slew Rate AZ | 3o/sec | |
Slew Rate EL | 0.7o/sec | |
Acceleration Rate | 2o/sec2 | |
Control Panel Servo System | includes speed and position loops | |
Encoders | 26 bit | |
Interface | Ethernet or RS 485 | |
Typical RF Specifications | | |
Geometry | Dual Shaped Cassegrain, Sub Reflector Subtended angle 100o |
Feed Options | C, X, Ku, Ka band | |
Optimization | High Efficiency Shaped Cassegrain | |
Mechanical Specifications | | |
Antenna Diameter | 12m | |
Antenna Type | Cassegrain | |
Elevation Travel | 5°-90° | |
Azimuth Travel | +/- 270° Continuous | |
Drive System: Elevation | Ball Screw Actuator with redundant brake | |
Drive System: Azimuth | Torque biased dual pinion drive | |
Mount Type | Full Motion | |
Mount material and finish | Steel, painted white | |
Structure material and finish | Aluminium, painted white as required | |
Reflector material and finish | Aluminium, painted white | |
Environmental Specifications | Standard | Metric |
Operational Winds | 35 mph, Drive to stow 50mph | 57 kph, Drive to stow 82 kph |
Survival Winds | 100 mph at Stow | 163 kph at Stow |
Ambient Temperature | Operational: +5° to +122°F | -15° to 50°C |
| Survival: -22° to +140°F | -30° to +60°C |
Rain | Up to 4 in/h | 10 cm/h |
Relative Humidity | 0% to 100% with condensation | |
Solar Radiation | 360 BTU/h/ftІ | 1000 Kcal/h/mІ |
Radial Ice (Survival) | 1 in all surfaces | 2.5 cm |
Shock and Vibration | As occurred during shipment | |
Corrosive Atmosphere | As encountered in coastal regions and/or heavily industrialized areas |
Seismic (Survival) | 0.3 G’s Horizontal, 1.0 G’s vertical | |