Hotbird 4 --> Nilesat 103 --> Atlantic Bird 4 --> Eurobird 16

EUTELSAT

International Sat. n°:

EUTELSAT spacecraft n°: 14

Launch data:

Designation:25237 / 98013A
Launch date27 Feb 1998
Launch site Ko, ELA-2
Launch vehicle: Ariane-42P (V106)
Mission:Commercial: Communications
Geostationary orbit on:
Perigee / Apogee 35762 x 35810 km
Eccentricity 5.69E-04
Inclination 0.02 deg
Period 1436.1 min

Specifications

Prime contractorMatra Marconi Space --> Astrium
PlatformEurostar-2000+
OperatorEUTELSAT
Mass at launch2885 kg
Mass in orbit1770 kg
Dry mass1310 kg
Dimension 
Equipment 20 Ku-band transponders
Solar array 2 deployable solar arrays,
Stabilization  3-axis
Propulsion R-4D-11-300
DC power 6000 W
Design active lifetime15 years - still active

Location:

DatePositionRemarks
  13° E 
 Oct 2009  7.19° W 

Hot Bird 4 was renamed Nilesat 103, when it was leased to Nilesat in September 2005. In June 2006 it returned to use by Eutelsat as Atlantic Bird 4.
Tested at 29°East.
Beacon: 11.704600 GHz

Ku-band:

Main transponders 28
Backup transponders  
Power 135 W (TWTA)
Bandwidth 25 transponders of 33 MHz
1 transponder of 46.5 MHz
2 transponder of 36 MHz
Coverage  
EIRP max  
Polarization linear H/V
Frequencies Downlink: 10.7-10.95 GHz, 12.6-12.75 GHz

Has 3 main antennas and a 50 cm mobile spot.

Will have a Skyplex device onboard (DVB compatible). This module is developped by Alenia Aerospazio. It has a digital processor to enable on board multiplexing of DVB signals; this let several channels to be uplinked from differents places although downlinked in the same multiplex. Such a module will be used by the Euroskyway program. The system can combine 6 uplinks of 6 mbps each into a 36 mbps downlink stream.

Transponder frequency chart (GHz)

Horizontal
Uplink 		Horizontal
Downlink 		Transponder Vertical
Downlink 		Vertical
Uplink 		Bandwidth (MHz) Remarks
18.11918   110 10.71918   33 Skyplex
  10.72713 111   18.12713 46.5 Steerable
18.15754   112 10.75754   33 Steerable
  10.77508 113   18.17508 36 Steerable
18.19590   114 10.79590   33 Steerable
  10.81508 115   18.21508 33 Steerable
18.23426   116 10.83426   33 Steerable
  10.85344 117   18.25344 33 Steerable
18.27262   118 10.87262   33 Steerable
  10.89180 119   18.29180 33  
18.31098   120 10.91098   33  
  10.93016 121   18.33016 33  
18.34934   122 10.94934   33  
             
17.82616   76 12.22616   33  
17.86452   78 12.26452   33  
  12.28370 79   17.88370 33  
17.90288   80 13.20388   33  
  12.32206 81   17.92206 33  
17.94224   82 12.34124   33  
  12.36042 83   17.96042 33  
  12.39878 85   17.99878 33  
             
  12.61574 95   13.86574 33  
13.88492   96 12.63492   33  
  12.65410 97   13.90410 33  
13.92328   98 12.67328   33  
  12.69246 99   13.94246 33  
13.96328   100 12.71328   36  
  12.73082 101   13.98082 33  

Europe and North Africa; 20 active channels
Ref: #14, #15, #226 - update: 03.01.10