Model 1278K Mobile VSAT Antenna System 4 Operation and Maintenance Manual
Model 1278K MOBILE VSAT
1.2M MOTORIZED VEHICULAR MOUNT
Reflector 1.2 Meter
Optics Offset, Prime Focus, .8 f//d
Drive System Patented AvL Cable Drive Positioner
Mount Geometry Elevation over Azimuth
Polarization Rotation of Feed
Electrical RF Receive Transmit
Frequency Range 10.95-12.75 Ghz 13.75-14.5 Ghz
Gain (Midband) 42.0 dBi 43.2 dBi
VSWR 1.30:1 1.30:1
Beamwidth (degrees)
-3 dB 1.4 1.2
-10 dB 2.5 2.1
First Sidelobe Level (Typical) -19 dB -22 dB
Radiation Pattern Compliance FCC §25.209, ITU-R S.528.5
Antenna Noise Temperature 30° K at 30° Elevation
Polarization Linear Orthogonal Standard, Optional Co-pol
Power Handling Capability 40 Watts
Cross Pol Isolation
On-Axis (minimum) 35 dB 35 dB
Off-Axis (within 1 dB BW) 26 dB 28 dB
Off-Axis (peak) 22 dB 25 dB
Feed Port Isolation - TX to Rx 75 dB
Satellite System Compliance FCC and PanAmSat Worldwide
Controllers
Optional Upgrades
Auto-acquisition One-button acquisition of selected satellite including
peaking and optimization of cross pol (certified for auto-
commissioning on most satellite services)
Size Single Rack Unit for Auto-acquisition
Input Power 110/240 VAC, 1 ph, 50/60 Hz, 6/3A peak, 1A continuous
Reflector Options
Reflector Back Cover
Mechanical
Az/El Drive System Patented AvL Cable Drive System
Polarization Drive System Stainless Steel Chain Drive
Reflector Material Glass Reinforced Plastics
Travel
Azimuth 400°
Elevation True elevation readout from calibrated inclinometer
Mechanical 0° to 90° of reflector boresight
Electrical Standard limits at 5° to 65° (CE Approval) or 5° to 90°
Polarization ±95°
Speed
Slewing/Deploying 2°/second
Peaking 0.2°/second
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