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Skyware type 183 Class III 1.8m Ku-Band Offset Antenna

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Quick Overview
  • 10.70-12.75 GHz Rx. 13.75-14.50 GHz Tx.

  • One-Piece Offset Feed Prime Focus

  • 1.8M Glass Fiber Reinforced Reflector

  • Mount Type: Elevation over Azimuth

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    Skyware type 183 Class III 1.8m Ku-Band  Offset Antenna

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

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    Details

    Type 183 1.8m Class III TxRx Antenna

    The Skyware Global 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 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 4.50" (114 mm) O.D. mast and prevent slippage in high winds. Hot-dip galvanizing is standard for maximum environmental protection.

    Type 183 Features

    • One-piece precision offset thermoset-molded reflector.
    • Fine azimuth and elevation adjustments.
    • Galvanized feed support arms and alignment struts.
    • Factory pre-assembled mount.
    • Galvanized and stainless hardware for maximum corrosion resistance.
    • 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

    13.75-14.50 GHz
    10.70-12.75 GHz
    Polarization Linear, Orthogonal
    Gain (±.2 dBi)
        Transmit
        Receive

    46.8 dBi @ 14.25 GHz
    45.3 dBi @ 11.95 GHz
    3 dB Beamwidth
        Transmit
        Receive

    0.79° @ 14.3 GHz
    0.99° @ 12.0 GHz
    Sidelobe Envelope (Tx, Co-Pol dBi)
        1°<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)
    26 dB in .5 dB Contour
    Antenna Noise Temperature
        10° El
        20° El
        30° EL

    43°K
    28°K
    23°K
    VSWR
        Transmit
        Receive

    1.3:1
    1.5:1
    Isolation
        Transmit
        Receive

    110 dB
    35 dB
    Feed Interface
        Transmit
        Receive

    WR75 Cover Flange (UBR120)
    WR75 Cover Flange (UBR120)
    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 4.50 in (114 mm) Diameter
    Environmental Performance
    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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