1.8M Ka-Band Circularly Polarized SFL – 181

Global Skyware

1.8M Ka-Band Circularly Polarized SFL – 181

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  • ISO 9001:2008 Certificate of Registration
  • One-piece precision SMC Reflector
  • Precision Az/EI Mount
  • Fine Azimuth and Elevation Adjustment Features
  • All Materials Comply with EU Directive No. 2002/95/EC (RoHS]
  • 720 Hour Salt Spray Hardware

  • Description
  • Technical Specifications
  • Support Documents

Overview

The Skyware Global 1.8m Rx/Tx Ka-Band Circularly Polarized SFL Antenna is a rugged, commercial quality product suitable for the most demanding applications.

The reflector is constructed from glass fiber reinforced polyester (SMC) for strength and accuracy. A proprietary process developed by Skyware Global insures high RF reflectivity as needed for Ka-Band operation

The precision Az/EI mount is made of galvanized steel for excellent corrosion resistance. This mount includes special features to increase pointing accuracy with low backlash and lockdown error.

This Az/EI allows the antenna to be installed on standard 127mm (5.0”) or 141mm (5.56”) diameter pipe.

All hardware is plated to 720 hour salt spray standards tested in accordance with ASTM B-117.

Designed for use with the Skyware Global line of Ka-band Feed assemblies.

Tx Cross-Polarization Isolation of 25dB on 1dB contour.

Excellent Tx Port to Port Isolation of 90dB or better.

Meets or exceeds regulator agency requirements.

System designed for typical Ka-band RF Electronics.

Details

  • ISO 9001:2008 Certificate of Registration
  • One-piece precision SMC Reflector
  • Precision Az/EI Mount
  • Fine Azimuth and Elevation Adjustment Features
  • All Materials Comply with EU Directive No. 2002/95/EC (RoHS]
  • 720 Hour Salt Spray Hardware
  • Designed for Skyware Global Ka-Band Transceivers

RF Performance
Operating Frequency
Extended
TX 28.30-30.00GHz
RX 18.30-20.20GHz
Standard
TX 29.50-30.00GHz
RX 19.20-21.20GHz
Polarization
TX Circular, RH or LH
RX Circular, RH or LH
Gain1 (min)
TX 52.5 dBi @ 30.0GHz
RX 49.1 dBi @ 20.2GHz
3 dB Beamwidth
TX 0.4° @ 30GHz
RX 0.6° @ 20GHz
Sidelobe Envelope (Tx, Co-Pol dBi)
100 λ/D < q < 20° 29-25 log q dBi
20° < q < 26.3° -3.5 dBi
26.3° < q < 48° 32-25 log q dBi
48° < q < 180° -10 dBi (Typical)
Antenna Cross-Polarization within 1dB contour
TX 25dB
RX 25dB
Antenna Noise Temperature 1
.@ 30° EL 57K Mk
  
VSWR 1.2:1 Max
Isolation
TX 90dB
RX 75dB
Feed Interface
TX WR28 Flat Flange
RX WR42 Flat Flange
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 ± 3° Fine Adjustment
Mast Size Interface 5” (127mm) Diameter Min 5.56” (141mm) Diameter Max
Antenna Weight Approx 113.6Kg (Not Including Mast)
Enviromental Performance
Wind Loading
Operational 50mph (80km/h)
Functional Survival 80mph (128km/h)
Ultimate Survival 125mph (200km/h)
  
Survival Temperature -50°C to +80°C
Operational Temperature -40°C to +55°C
Humidity 0 to 100% (Condensing)
Corrosion Protection Hardware meets
720 hour Salt Spray Test (ASTM B-117)
Solar Radiation 360 BTU/h/ft2
Shock and Vibration As Encountered during Shipping and handling
1 Gain and Noise Temperature at Feed Horn Flange
(All specifications typical)

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