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GD Satcom 1241 2.4M C-Band Circular Tx/Rx (1.3 VAR) WR-137 Antenna System

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  • Circular Pol with WR137 Waveguide Tx Port
  • Compression molded offset reflector
  • Non-penetrating or Mast mounts
  • Anti-ice options available


SKU: SATRES-128220

Electrical
Antenna Size 2.4M (96 in.)
Operating Frequency (GHz)

    Transmit

    Receive


5.85 - 6.425 GHz

3.625 - 4.20 GHz
Antenna Gain at Midband, dBi (± .2dB)

    Transmit

    Receive


42.20 dBi

38.20 dBi
VSWR 1.3:1 Max
Pattern Beamwidth (in degrees at midband)

    -3 dB

    -15 dB


Rx: 2.20°, Tx: 1.40°

Rx: 4.90°, Tx: 3.10°
Sidelobe Envelope, Co-Pol (dBi)

    100λ / D < θ ≤ 20°

    20° < θ ≤ 26.3°

    26.3° < θ ≤ 48°

    θ > 48°


29 - 25 Logθ dBi

-3.5 dBi

32 - 25 Logθ dBi

-10 dBi (averaged)
Antenna Noise Temperature

    10° Elevation

    20° Elevation

    30° Elevation

    40° Elevation


57 K

49 K

45 K

45 K
Axial Ratio (Circular)

    Transmit

    Receive


2.28 dB

1.94 dB
Feed Interface

    Transmit

    Receive


CPR 137

CPR 229F
Maximum Radio Weight 20 Lbs. (9 Kg.)
(Optional Feed Stabilizer available for higher radio weight)
Mechanical
Reflector Material Glass Fiber Reinforced Polyester SMC
Antenna Optics Prime Focus, Offset Feed, Four-piece
Mast Pipe Size 6” SCH 40 Pipe (6.63” OD) 16.83 cm.
Elevation Adjustment Range 5°to 90°Continuous Fine Adjustment
Azimuth Adjustment Range 360°Continuous, +/- 10°Fine Adjustment
Mount Type Elevation over Azimuth
Shipping Weight (Total) 545 lbs. (248 kg.)
Install (Net) Weight 365 lbs. (166 kg.)
Environmental Performance
Wind Loading

    Operational

    Survival


50 mph (80 km/h)

125 mph (201 km/h)
Temperature Range (operational) -40°to 140°F (-40°to 60°C)
Rain (operational) 1/2” (13mm) / hr
Atmospheric Conditions Salt, Pollutants and Contaminants as Encountered in Coastal and Industrial Areas
Relative Humidity 0 to 100% With Condensation
Solar Radiation 360 BTU/h/ft²

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