Sicral

Italy

Spacecraft n:

Italian spacecraft n: 17

Sistema Italiana de Communicazione Riservente Allarmi or Satellite Italiano per Comunicazioni Riservate e ALlarmi

Launch data:

Designation 26694 / 01005A
Launch date07 Feb 2001 - 23:05:10 UT
Launch site Ko, ELA-2
Launch vehicle Ariane-44L (V139)
MissionMilitary: Telecommunications
Geostationary orbit:
Location: 16.2°E
Perigee x Apogee 35724 x 35767 km
Inclination 0,05
Period 1434,00 min

It will provide secure communications for Italy's Ministry of Defense and the country's civil security forces, catering for domestic needs and operations abroad (in UHF, SHF and EHF).


Specifications

Prime contractor Alenia Spazio (for the Sitab consortium)
Platform derived from Italsat
Mass at launch 2596 kg
Dry mass 1253 kg
Payload mass 450 kg
Dimension 2.79 m height x 3.43 x 4.93 m
Solar array 24.5 m span
Stabilization 3 axis
DC power BOL: 3280 W
Design lifetime 10 years

Carries a liquid apogee engine, possibly an Astrium S400

Telemetry and command in S and EHF band.
Would have 9 transponders in SHF, UHF and EHF. On board band switching.


UHF-band (300/260 MHz)

Main transponders  
Backup transponders  
Power  
Bandwidth  
Coverage global
EIRP max  
G/T max  
Polarization  

SHF-band (8/7 GHz)

Main transponders  
Backup transponders  
Power  
Bandwidth  
Coverage 1 shaped beam covering Europe, the Middle East and North East Africa
2 mobile spot beams
EIRP max  
G/T max  
Polarization  

EHF-band (44/20 GHz)

Main transponders  
Backup transponders  
Power  
Bandwidth  
Coverage global and shaped-spot to cover Italy
EIRP max  
G/T max  
Polarization  


Ref: #7, #15 - update: 24.10.04