1.8M C-Band Circular Class III – 183

Global Skyware

1.8M C-Band Circular Class III – 183

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  • All materials comply with EU directive No. 2002/95/EC (RoHS).
  • One-piece precision offset thermosetmolded reflector.
  • Heavy-duty galvanized Az/El mount.
  • Fine Azimuth and elevation adjustments.
  • Galvanised support arm and alignment struts.
  • Factory pre-assembled mount.

SKU: GSW111 Tags: , , , ,
  • Description
  • Technical Specifications
  • Support Documents

Overview

The Skyware Global Type 183 1.8m 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 the 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 114 mm (4.50”) O.D. mast and prevent slippage in high winds.

Hot-dip galvanizing is standard on this model for maximum environmental protection.

Details

  • All materials comply with EU directive No. 2002/95/EC (RoHS).
  • One-piece precision offset thermosetmolded reflector.
  • Heavy-duty galvanized Az/El mount.
  • Fine Azimuth and elevation adjustments.
  • Galvanised support arm and alignment struts.
  • Factory pre-assembled mount.
  • Plated hardware for maximum corrosion resistance.
  • RF tested feed assembly
  • Heavy-duty Class III mount for 11 kg (25 lb) RF electronics (LNB & BUC).

Type Approval Information
Antenna Model 62 - 1833411L/R Type N
62 - 1833911L/R (WR137)
Intelsat Standard Standard G & H-2 (IESS 601)
Approval Code IA050A00
RF Performance
Effective Aperture 1.8 m (71 in)
Operating Frequency
Tx 5.850 - 6.425 GHz
Rx 3.625 - 4.200 GHz
Polarization
Circular; Tx LH, Rx RH; or Tx RH, Rx LH
Gain (±.4 dBi)
Tx 39.5 dBi @ 6.1 GHz
Rx 35.4 dBi @ 3.9 GHz
3 dB Beamwidth
Tx 2.0˚ @ 6.1 GHz
Rx 3.0˚ @ 3.9 GHz
Sidelobe Envelope (Tx, Co-Pol dBi)
2.8˚ < q < 20˚ 29 - 25 Log q
20˚ < q < 26.3˚ -3.5
26.3˚ < q < 48 32 - 25 Log q
48˚ < q < 180˚ -10
Axial Ratio
Tx 1.3 VAR (2.3 dB)
Rx 1.4 VAR (3.0 dB)
Antenna Noise Temperature
10˚ El 41˚ K
20˚ El 36˚ K
30˚ El 33˚ K
VSWR
Tx 1.3:1
Rx 1.5:1
Isolation
(Port to Port)
Tx 60 dB
Rx 60 dB
Feed Interface
Tx Type N or CPR-137
Rx CPR-229
Mechanical Performance
Reflector Material Glass Fiber Reinforced Polyester
Antenna Optics One-Piece Offset Feed Prime
Focus
Mount Type Elevation over Azimuth
Elevation Adjustment Range 10˚ - 90˚ Continuous
Fine Adjustment
Azimuth Adjustment Range 360˚ Continuous ±10˚
Fine Adjustment
Feed Support Rectangular Section with Alignment
Legs
Mast Pipe Interface 168 mm (6.63 in)
Diameter
Enviromental Performance
Wind Loading
Operational 80 km/h (50 mph)
Survival 200 km/h (125 mph)
  
Temperature -50˚C to 80˚C
Humidity 0 to 100% (Condensing)
Atmosphere Standard Hardware Meets 500 Hour
Salt Spray Test Requirements
(ASTM B-117)
Solar Radiation 360 BTU/h/ft2
Shock and Vibration As Encountered During
Shipping and Handling
(All specifications typical)

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