Global Skyware 1.8m Ka Band Receiver Transmitter (RxTx) Antenna System

This is a 1.8m precision composite reflector suitable for Ka band receiving and transmitting.

It has an ISO 9001:2008 Certificate of Registration.

RF Performance 

Effective Aperture . . . . . . . . . . . . 1.8m (71in)
Operating Frequency Tx . . . . . . . . . . . . . . . . . . . 28.00-30.00 GHz
Rx . . . . . . . . . . . . . . . . . . . 18.10-20.20 GHz
Polarization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Circular or Linear
Gain (±0.2 dB) Tx . . . . . . . . . . . . . . . . . 52.5 dBi @ 30.0 GHz
Rx . . . . . . . . . . . . . . . . . 49.1 dBi @ 20.2 GHz
3dB Beamwidth Tx . . . . . . . . . . . . . . . . . . . 0.4° @ 30.0 GHz
Rx . . . . . . . . . . . . . . . . . . . 0.6° @ 20.2 GHz
Sidelobe Envelope (Tx, Co-Pol dB)
Mainbeam < Θ < 20° . . . . . . . . . 29 - 25 Log Θ dB
20° < Θ 26.3°. . . . . . . . . . . . . . . . . . -3.5 dB
26.3° < Θ < 48° . . . . . . . . . . . . . 32-25 Log Θ dB
48° < Θ < 180° . . . . . . . . . . . . . . . . . . -10 dB
Antenna Cross-Polarization (within 1 dB b/w)
Tx . . . . . . . . . . . . . . . . . . . . . . . . . 25 dB
Rx. . . . . . . . . . . . . . . . . . . . . . . . . 22 dB
Antenna Noise Temperature 30° Elev. . . . . . . . . . . . . . . . . . . . . . 57° K
VSWR . . . . . . . . . . . . . . . . . . 1.2:1
Isolation (Port to Port) Tx . . . . . . . . . . . . . . . . . . . . . . . . . 90 dB
Rx. . . . . . . . . . . . . . . . . . . . . . . . . 75 dB
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
Maximum Radio Weight . . . . . . . . . . . . . . . . . . . 5 lbs at feed & up to 25lbs on Boom Arm
Elevation Adjustment Range . . . . . . . . . . . . . . . . . . 10° - 90° Continuous Fine Adjustment
Azimuth Adjustment Range . . . . . . . . . . . . . . . . . . 360° Continuous, ±3° Fine Adjustment
Mast Pipe Size . . . . . . . . . . . . . . . . . . . . . . . . . 5” or 5.56” (127mm or 141mm) diam.
Wind Loading . . . . . . . . . . . . . . . Operational . . . . . . . . . . . . . . . 72 km/h (45 mph)
Survival . . . . . . . . . . . . . . . 241 km/h (150 mph)
Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -50°C to +80°C
Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 100% (Condensing)
Atmosphere . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Hardware Meets 720 Hour
Salt Spray Test Requirements (ASTM B-117)
Solar Radiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 BTU/h/ft2
Shock and Vibration . . . . . . . . . . . . . . . . . .As Encountered During Shipping and Handling