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Model 1.5m SF-LT Motorized Flyaway Antenna
Model 1.5m SF-LT Motorized Flyaway Antenna Flyaway Antennas Description The General Dynamics SATCOM Technologies lightweight 1.5meter motorized flyaway antenna is designed for worldwide transmit and receive operation in C, X, Ku and Ka-band. This flyaway antenna consists of a carbon fiber composite reflector, a cable-driven elevation-over-azimuth positioner and an aluminum/CFRP support structure. This results in a low-weight, motorized antenna with superior stiffness and high performance under wind loading conditions. The unique shape and the accurate reflector surface provide exceptionally low sidelobe and cross-polarization performance meeting INTELSAT and EUTELSAT requirements. Repeatability is maintained with precision registration of the five reflector segments and the feed support structure. The interchangeable feeds are palletized for quick, easy removal and replacement, allowing the enduser to effectively change frequency bands in the field within minutes. The complete antenna system, including a single feed and a motorized positioner, is packaged in four robust, portable cases.
Features Carbon fiber reflector
The Strength to Perform
Lightweight, precision surface and high stiffness Cable-driven positioner Composite/aluminum construction, lightweight, sturdy Easy deployment
Two-person assembly in less than 15 minutes, captive hardware and precision alignment High performance Low sidelobes and high EIRP capability
Options Finishes
White, green, tan or per customer spec Feeds
Four-port, co-pol, CP/LP switchable L, C, X, Ku, Ka and DBS-band C-band CP/LP switchable also available
1104 Energy Drive • Kilgore, TX 75662 USA • Tel: (903) 984-7811 • Fax: (903) 984-7597 • Email:
[email protected] Website: www.gdsatcom.com 655-0063A, 01/06 © 2006 General Dynamics. All rights reserved. General Dynamics reserves the right to make changes in its products and specifications at anytime and without notice. All trademarks indicated as such herein are trademarks of General Dynamics. All other product and service names are the property of their respective owners. ® Reg. U.S. Pat. and Tm. Off.
Model 1.5m SF-LT Motorized Flyaway Antenna
Technical Specifications Mechanical Azimuth Travel Elevation Travel Polarization Travel Reflector Structure Pedestal Structure Boom Mounted HPA Loading* Transport Configuration
±120° (up to ±200° optional) 5° to 90° ±95° (linear polarization only) Carbon fiber composite Aluminum/composite cable-driven azimuth-over-elevation positioner on carbon fiber structural case 60 lbs. (27.2 kg)
Case Contents 1 Pedestal 2 Reflector 3 Feed Boom, Legs, Backup Structure Total System (feeds cased separately) Feeds**
Case Size (L x W x H) Total weight (component and case) 28” x 24” x 26” 125 lbs. (57 kg) 48” x 15” x 34” 90 lbs. (41 kg) 44” x 28” x 19” 120 lbs. (54 kg) 37.5 ft³ 335 lbs. (152 kg) Multiple configurations and options available (L, C, X, Ku, Ka or DBS-band)
Environmental Wind Loading Operational (with ballast) 40 mph (64 km/h) gusting to 50 mph (80 km/h) Survival (with tie-downs) 65 mph (105 km/h) gusting to 75 mph (121 km/h) Pointing Loss (operational winds) Maximum 2.0 dB peak Rx loss at Ku Temperature Operational -22° to +122° F (-30° to +50° C) Survival -40° to +158° F (-40° to +70° C) Relative Humidity (operational and survival) 0% to 100% Solar Radiation 360 BTU/h/ft2 (1000 Kcal/h/m2) Shock and vibration tolerant to conditions encountered during shipment by airplane, ship or truck. Atmospheric tolerant to conditions encountered in coastal regions and/ or heavily industrialized areas. * Contact factory for mounting locations. ** Contact factory for details.
Electrical*** Frequency (GHz) Antenna Gain at Midband, dBi Antenna Noise Temperature 5° Elevation 10° Elevation 20° Elevation 40° Elevation Pattern Beamwidth (in degrees at midband) -3 dB -15 dB Sidelobe Compliant with Power Handling Axial Ratio VSWR Cross Polarization Isolation On Axis Within 1.0 dB Beamwidth Port-to-Port Isolation Rx/Tx (Rx frequency) Tx/Rx (Tx frequency) Output Waveguide Flange Interface RF Specification
X-Band 2-Port Circular Polarized Receive Transmit 7.250 - 7.750 7.900 - 8.400 40.10 40.70 66 K 54 K 50 K 51 K
Ku-Band 2-Port Linear Polarized Receive Transmit 10.950 - 12.750 13.750 - 14.500 44.10 45.70 72 K 59 K 52 K 51K
1.65 1.54 3.46 3.23 DSCS Requirements 2.0 kW CW 1.50 dB 1.50 dB 1.30:1 1.30:1
Ka-Band 2-Port Circular Polarized Receive Transmit 20.200 - 21.200 30.000 - 31.000 49.10 51.70 158 K 129 K 108 K 96 K
1.04 2.18
0.87 0.56 1.83 1.18 Intelsat, Asiasat, Eutelsat 2.0 kW CW 1.00 dB 1.30:1 1.30:1
1.35:1
0.42 0.88 100.0 W CW 1.00 dB 1.30:1
21.3 dB 21.3 dB
21.3 dB 21.3 dB
35.0 dB 25.0 dB
35.0 dB 35.0 dB
24.8 dB 24.8 dB
24.8 dB 24.8 dB
0 dB -110 dB CPR-112
-110 dB 0 dB CPR-112
0 dB -85 dB WR-75
-30 dB 0 dB WR-75 Flat
0 dB -85 dB WR-42
-50 dB 0 dB WR-28
975-2878
*** C and Ka-band feeds available. Contact factory for information.
975-2895
975-2877
