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704 North Clark Street

Albion, MI 49224 USA

 Tel:   (517)629-5990

Fax:   (517)629-6690

E-mail:  [email protected]

Web site:  www.sepatriot.com

ANTENNA SYSTEMS

ANTENNA SYSTEMS

INSTALLATION &

ASSEMBLY INSTRUCTIONS

1.8M MVSAT Antenna

 

Electrical RF 

 

Receive 

Transmit

 

Frequency  

 

11.7-12.75 GHz 

14.0-14.5 GHz 

Gain (Midband) 
  

 

R/T 

 

45.3 dBi 

46.7 dBi 

    

4-Port 

 

45.2 dBi 

46.6 dBi 

 VSWR   

 

 

 

1.30:1 

Beamwidth (degrees) 

     

-3 dB 

 

.91 

.77 

     

-15 dB 

 

1.91 

1.62 

First Sidelobe Level (Å2 dB) 

 

-20 dB 

-20 dB 

Radiation Pattern 

 

Meets FCC requirements for 2° Spacing 

Antenna Noise Temperature 

     

10° Elevation Angle  

43°K 

Polarization    

 Linear 

Linear 

Power Handling Capability 

 

 

1KW per port 

Cross-Pol Isolation 

   

On-Axis 

 

35 dB 

35 dB 

  

Off-Axis (within .5 dB BW) 

25 dB 

26 dB 

   

Off-Axis (within 1 dB BW) 

22 dB 

24 dB 

Feed Port Isolation  - 4-Port Feed 

   

RX/RX 

 

30dB 

   

TX/TX 

 

30 dB 

   

TX/RX 

 

60 dB 

60 dB 

   

Controller

 

RC3000A    

 

Full-function controller with opt. GPS and Flux-Gate  

Size 

 

 

 

Two rack units high

 

Input Power 

 

110V AC, 1 ph, 60 Hz, 15 amp 

 

 

Mechanical

 

Reflector Type 

 

1.8M Prime Focus Offset 

Mount Geometry 

 

Elevation over Azimuth 

Polarization  

 

Rotation of Feed 

Travel  

Azimuth   

 

270° for 2-Port, 240° for 4-Port 

 

 

 

 

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

Elevation 

Operational 0-90° or 0-65° of reflector boresight 

Total  

0-160° 

Polarization   

±50° for 4-Port or ±95° for 2-Port  

Speed  

Slewing/Deploying  2°/second 

Peaking  

 0.2°/second 

Drive System 

 

Roto-Lok ® 

Motors    

 

24V DC Variable Speed, Constant Torque 

RF Interface 

Waveguide   

WR 75 Cover Flange at center of azimuth axis 

Coax    

RG59 

Electrical Interface 

25 ft. Cable with Connectors for Controller 

Manual   

 

 

7/16 Hex Socket Wrench on All Axii 

Weight    

 

300 lbs.

 

 

Environmental

 

Wind 

Survival 

   

Deployed  

 

80 

mph 

Stowed  

 

125 

mph 

 

Operational  

Tracking 

 

 

45 mph gusting to 60 mph at 60º F 

Temperature  

 

Operational 

 

 

-20°F to 125°F 

 

Survival 

 

 

-40°F to 140°F 

 

Содержание 1.8M MVSAT

Страница 1: ...0 dB TX RX 60 dB 60 dB Controller RC3000A Full function controller with opt GPS and Flux Gate Size Two rack units high Input Power 110V AC 1 ph 60 Hz 15 amp Mechanical Reflector Type 1 8M Prime Focus...

Страница 2: ...nce with any part of this claim procedure may invalidate this warranty in whole or in part THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER AGREEMENTS AND WARRANTIES ANY IMPLIED WARRANTY OF MERCHANTABI...

Страница 3: ...stallation operation and service of this equipment CAUTIONARY NOTICE The antenna and feed system supplied by AvL Technologies is designed to be integrated with various electronic equipment This system...

Страница 4: ...he feed assembly Always tag all circuits noting that the power is OFF the date and your name prior to commencing any work on that system ALWAYS WORK SAFE ELECTROMAGNETIC RADIATION DO NOT STAND IN THE...

Страница 5: ...levation axis to eliminate additional flex guide required when pivoting at the edge of the reflector The pivoting is facilitated by the double bearings of the rotary joint and the delrin pivot The ele...

Страница 6: ...wer failure Maximum gear efficiency and minimum wear is achieved by sealing the gear sets in continuously lubricated housings MOTOR DRIVES Lightweight reliable servo quality DC motors with integral ge...

Страница 7: ...2 F 15 to 50 C Survival 22 to 140 F 30 to 60 C Rain Operational and Survival Up to 4 in h 10 cm h Relative Humidity 0 to 100 with condensation Solar Radiation 360 BTU h ft 2 1000 Kcal h m 2 Radial Ice...

Страница 8: ...antenna interface board from the antenna To serve as guides to position azimuth ring directly over the vehicle s bolt circle cut two 5 16 18 all thread rods to a length sufficient to allow protrusion...

Страница 9: ...le while the vehicle is in motion The low backlash is achieved with a variable pitch worm The width of the worm tooth slowly increases along the worm Since only one small portion of the worm tooth is...

Страница 10: ...the azimuth stow switch may be adjusted to center on roof Stow with positioner having to approach stow from both directions See Section 3 6 if azimuth stow position needs adjusting If azimuth readout...

Страница 11: ...l not backdrive eliminating any need for a brake on the drive train Figure 3 1 Figure 3 1 The motor drives the input worm via a quill female hole and square key The worm shaft is extended with a hex s...

Страница 12: ...are used to provided increased stiffness and drive redundancy If a cable becomes damaged during usage merely cut off cable and continu to use positioner The cable can be replaced whenever time permit...

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