Sea Tel 9797A-27, Инструкция по установке и эксплуатации

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9797A-27 C-Band TXRX 9797A-27 Technical Specifications
8-3
8.7. 144” Radome Assembly
Type Rigid dome
Material Composite foam/fiberglass
Size 144" Diameter x 142" High
Base Hatch size 18" high x 34" wide
Side Door 18” wide x 36” high
Number of panels Twelve panels (6 upper & 6 lower panels), one top cap and one
base pan
Installed height: 164" including mounting frame
Installed weight MAX 1800 LBS (including Antenna Pedestal Assembly)
RF attenuation 1.5 dB @ 6 GHz, dry
1.5 dB @ 12 GHz, dry
1.5 dB @ 14 GHz, dry
NOTE: Radome panels can absorb up to 50% moisture by weight. Soaked panels will also have
higher attenuation.
8.8. Environmental Conditions (ADE)
Temperature: -20 degrees C to 55 degrees C.
Humidity: Up to l00% @ 40 degrees C, Non-condensing.
Spray: Resistant to water penetration sprayed from any direction.
Icing: Survive ice loads of 4.5 pounds per square foot. Degraded RF
performance will occur under icing conditions.
Rain: Up to 4 inches per hour. Degraded RF performance may occur
when the radome surface is wet.
Wind: Withstand relative average winds up to 100 MPH from any
direction.
Vibration: Withstand externally imposed vibrations in two horizontal
directions and in the vertical direction, at sweep rates no greater
than 0.2 octaves per minute having peak single amplitudes as
follows:
Frequency Range, Hz Peak Single Amplitude, Inch
4 - 10 0.100
10 - 15 0.030
15 - 25 0.016
25 - 33 0.009
Corrosion Parts are corrosion resistant or are treated to endure effects of
salt air and salt spray. The equipment is specifically designed
and manufactured for marine use.
Ship Motions:
Roll: +/-25 degrees with 6-12 sec periods
Pitch: +/-15 degrees with 6-12 sec periods
Yaw: +/-8 degrees with 15 to 20 sec periods
Turning rate: Up to 12 deg/sec.
Headway: Up to 50 knots
Mounting height: Up to 150 feet.