Attachment Attachment 6

This document pretains to SES-MOD-20100302-00285 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD2010030200285_803180

                           Receive/Transmit Series 1383

                               Electrical                                 C-Band Linear		                C-band Circular		               Ku-Band		


3.8 M
                                Antenna Size			                       3.8M			              3.8M			                 3.8M
                                Operating Frequency (GHz)        RX   3.625 - 4.2 GHz		    3.625 - 4.2 GHz		       10.95 - 12.75 GHz
                                			                              TX   5.845 - 6.725 GHz		  5.845 - 6.425 GHz		     13.75 - 14.5 GHz
                                Midband Gain ( + .2dB)           RX   41.8 dB			           42.1 dB			              51.7 dB
                                			                              TX   46.2 dB			           46.0 dB			              53.2 dB

C & Ku Band                     Antenna Noise Temperature							
                                           10° elevation		            31 K			              28 K			                 29 K
                                           20° elevation		            25 K                 22 K			                 21 K
                                           30° elevation		            23 K			              20 K			                 20 K

Rx/Tx                                      40° elevation		
                                Sidelobe Envelope, Co-Pol (dBi)
                                                                      22 K			              19 K			                 19 K

                                           1°< θ < 20°		              29-25 Log θ dBi		    29-25 Log θ dBi		       29-25 Log θ dBi
                                           20° < θ < 26.3°             -3.5 dBi			          -3.5 dBi               -3.5 dBi

Series 1383                                26.3° < θ < 48°
                                           48° < θ <
                                                                      32 -25 Log θ dBi		
                                                                      -10 dBi (averaged)		
                                                                                           32 -25 Log θ dBi
                                                                                           -10 dBi (averaged)		
                                                                                                                   32 -25 Log θ dBi
                                                                                                                   -10 dBi (averaged)
                                Polarization			                       Linear			            Circular 			            Linear
                                Feed Interface		                RX    CPR 229			           CPR 229			              WR75 or direct radio
                                			                             TX    CPR 137 or Type N		  CPR 137 or Type N		     mounting
                                Axial Ratio 		                  RX/TX				                  1.3 / 1.3 VAR (2.28 dB)			
                                			                             RX/TX				                  1.3 / 1.09 VAR (.75 dB)
                                							                                                    Intelsat Only		
                                Cross-Pol Isolation 			               >30 dB (on axis)		   >30 dB (on axis)		      >30 dB (on axis)
                                VSWR				                              1.3:1 Max.			        1.3:1 Max.			           1.3:1 Max.
                               Mechanical
                                Reflector Material			                     Glass Fiber Reinforced Polyester SMC
                                Antenna Optics			                         4 Piece Prime Focus, Offset Feed
                                Mast Pipe Size			                         10” SCH 40 Pipe (10.75” OD) 27.30 cm.
                                Elevation Adjustment Range		              12° to 90° (0° to 15° Inverted)
                                Azimuth Adjustment Range		                360° Continuous, + 35°Fine Adjustment
                                Shipping Specifications     Weight        1780 lbs. (808 kg.)
                               Environmental Performance
                                Wind Loading			         Operational		                                    50 mph (80 km/h)
                                				                    Survival			                                      125 mph (201 km/h)
                                Temperature			          Operational		                                    -40° to 140° F (-40° to 60° C)
                                				                    Survival			                                      -50° to 160° F (-46° to 71° C)
                                Atmospheric Conditions					                                              Salt, Pollutants and Contaminants as
                                							                                                                  Encountered in Coastal and Industrial Areas
                                Solar Radiation						                                                    360 BTU/h/ft2




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1383 Updated.indd



Document Created: 2009-08-31 10:45:54
Document Modified: 2009-08-31 10:45:54

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