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AvL Technologies 1812K 1.8M Vehicle Mounted Global SNG Antenna

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  • 2 axis cable drive positioner
  • Single-piece carbon fiber reflector
  • 2-port Mode Match with rotary joint
  • 3-Axis Jog Controller with auto-stow


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MODEL 1812K AvL Carbon Fiber 1.8 METER MOTORIZED VEHICULAR SNG ANTENNA
Reflector 1.8 meter AvL Carbon-Fiber
FeedGlobal Mode Matched
Optics Offset, Prime Focus, .8 f/d
Az/El Drive System Patented Roto-Lok® Positioner
Mount Geometry Elevation over Azimuth
Polarization Adjustment Rotation of Feed
Electrical RF
Frequency

    Receive

    Transmit


10.95-12.75 GHz

13.75-14.5 GHz
Gain (Midband)

    2-port

      Receive

      Transmit

    4-port

      Receive

      Transmit




45.3 dBi

46.7 dBi

 

45.2 dBi

46.6 dBi
VSWR

    Receive

    Transmit


1.30:1

1.30:1
Beamwidth (degrees)

    -3 dB (Optional Insat)

      Receive

      Transmit

    -15

      Receive

      Transmit




0.95°

0.79°



1.99°

1.66°
First Sidelobe Level (Typical)

    Receive

    Transmit


-19 dB

-22 dB
Radiation Pattern ComplianceFCC §25.209, ITU-R S.528.5
Antenna Noise Temperature 50° K at 20° Elevation
Polarization Linear Orthogonal Standard, Optional Co-pol
Power Handling Capacity 1.5 KW both Ports
Cross-Pol Isolation

    On-Axis (minimum

      Receive

      Transmit

    Off-Axis (within 1 dB BW)

      Receive

      Transmit

    Off-Axis (peak)

      Receive

      Transmit




35 dB

40 dB



27 dB

35 dB



25 dB

30 dB
Feed Port Isolation - TX to RX 85 dB
Satellite System Compliance FCC, Intelsat, Eutelsat, PanAmSat, SES Americom, etc.
Controllers
Standard Three-axis Jog Control & Display with Auto-stow
Optional Upgrades
Semi-automatic Operation Drive to calculated position based on operator entered

vehicle location, heading, plus satellite (longitude or listed)
Automatic Operation Drive to calculated position based on auto GPS and Flux- Gate Compass data and satellite peaking with LNB signal
Auto-acquisition One-button acquisition of selected satellite including peaking and

optimization of cross-pol (certified for autocommissioning on most

satellite services)
Size Two Rack Units for Semi-automatic & Automatic Controllers Single Rack Unit for Auto-acquisition
Input Power 110/240 VAC, 1 ph, 50/60 Hz, 8/4A peak, 1A continuous
Mechanical
Az/El Drive System Patented Roto-Lok® Cable Drive System
Polarization Drive SystemNon back-driving Worm Gear
Travel

    Azimuth



    Elevation

      Mechanical

      Electrical

    Polarization

 


270° for 2-port or 240° for 4-port Standard,

400° Optional for 2-port or Feed Boom Mounted HPA

True elevation readout from calibrated inclinometer

0° to 90° of Reflector Boresight

Standard limits at 5° to 65° (CE Approval) or 5° to 90°

±95° for 2-port and 3-port Feeds

±50° for 2-port Wideband and 4-port feeds
Speed

    Slewing/Deploying

    Peaking


2°/second

0.5°/second
Motors 24V DC Variable Speed, Constant Torque
RF Interface

    HPA Mounting

    Axis Transition

    Waveguide

    Coax


Feed Boom or Rear of Reflector, or inside Truck

Twist-Flex or Rotary Joints

WR 75 Cover Flange at Interface Point

RG59 run from feed to base plus 25 ft. (8 m)
Electrical Interface 25 ft. (8 m) Cable with Connectors for Controller
Manual DriveHandcrank on Az and El Axii, Leads from 12VDC Pol Motor
Weight 300 lbs. (136 kgs)
Stowed Dimensions 104 L x 74 W x 22 H inches (263 L x 189 W x 56 H cm)
Environmental
Wind

    Survival

      Deployed

      Stowed

    Operational




65 mph (128 kmph)

100 mph (192 kmph)

45 mph (72 kmph), Gusts to 60 mph (97 kmph)
Pointing Loss in Wind

    20 mph (32 kmph)

    30 Gusting to 45 mph


0.1 dB RMS, 0.07 degrees Typical

0.5 dB RMS, 0.16 degrees Typical
Temperature

    Operational

    Survival


+5° to 125°F (-15° to 52°C)

-40° to 140°F (-40° to 60°C)

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