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Skyware type 183 Class III 1.8m C-Band Linear Offset Antenna

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Quick Overview
The Type 183 1.8 m Class III C-Band RxTx Antenna is a rugged commercial grade product
Skyware type 183 Class III 1.8m C-Band Linear Offset Antenna

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  • Skyware type 183 Class III 1.8m C-Band Linear Offset Antenna

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Details

The ASC Signal Corporation Type 183 1.8 m Class III RxTx Antenna is a rugged commercial grade product suitable for the most demanding applications. The reflector is thermoset-molded for strength and surface accuracy. Molded into the rear of each reflector is a network of support ribs which not only strengthens the antenna, but also helps to sustain the critical parabolic shape necessary for transmit performance.

The Az/El mount is constructed from heavy-gauge steel to provide a rigid support to the reflector and feed support arm. Heavy-duty lockdown bolts secure the mount to any 4.50" (114 mm) O.D mast and prevent slippage in high winds. Hot-dip galvanizing is standard for maximum environmental protection.

Features

  • One-piece precision offset thermosetmolded reflector.
  • Fine Azimuth and elevation adjustments.
  • Galvanized feed support arm and alignment struts.
  • Galvanized and stainless hardware for maximum corrosion resistance.
  • RF tested feed assembly
  • Heavy-duty Class III mount for 25 lb (11 kg) RF electronics (LNB & BUC).
 
RF Performance
Effective Aperture 1.8 m (71 in)
Operating Frequency
    Transmit
    Receive

5.850 - 6.725 GHz
3.400 - 4.200 GHz
Polarization Linear, Orthogonal
Gain (±.3 dBi)
    Transmit
    Receive

39.3 dBi @ 6.138 GHz
35.4 dBi @ 3.913 GHz
3 dB Beamwidth
    Transmit
    Receive

2.0° @ 6.1 GHz
3.0° @ 3.9 GHz
Sidelobe Envelope (Tx, Co-Pol dBi)
    2°<θ<20°
    20°<θ<26.3°
    26.3°<θ<48°
    48°<θ<180°

29-25 Log θ
-3.5
32-25 Log θ
-10
Antenna Cross-Polarization >30 dB (on axis)
Antenna Noise Temperature
    10° El
    20° El
    30° El

41°K
36°K
33°K
VSWR
    Transmit
    Receive

1.3:1
1.4:1
Isolation
    Transmit
    Receive

60 dB
60 dB
Feed Interface
    Transmit
    Receive

CPR-137 or Type N
CPR-229
Mechanical Performance
Reflector Material Glass Fiber Reinforced Polyester
Antenna Optics One-Piece Offset Feed Prime Focus Long Focal Length
Mount Type Elevation over Azimuth
Elevation Adjustment Range 7° -90° Continuous Fine Adjustment
Azimuth Adjustment Range 360° Continuous
Feed Support Rectangular Section with Alignment Legs
Mast Pipe Interface 4.50 in (114 mm) Diameter
Wind Loading
    Operational
    Survival

50 mi/h (80 km/h)
125 mi/h (200 km/h)
Temperature -50°C to 80°C
Humidity 0 to 100% (Condensing)
Atmosphere Salt, Pollutants and Contaminants as Encountered
in Coastal and Industrial Areas
Solar Radiation 360 BTU/h/ft²
Shock and Vibration As Encountered During Shipping and Handling
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