RECOMMENDATION
ITU-R S.1587-2
Technical characteristics of earth stations on board vessels
communicating with FSS satellites in the frequency bands 5 925-6 425
MHz and 14-14.5 GHz which are allocated to the fixed-satellite service
Annex 1 Technical characteristics of ESVs operating in the
frequency band 5 925-6 425 MHz which is allocated to
the FSS
1 Introduction
2 Description of
deployed ESV systems and their operations
2.1
Description of ESV systems
2.2
Antenna subsystem
2.3
RF subsystem
2.4
Digital/modem subsystem
2.5
Terminating capability
2.6
Description of ESV hub function 4
3 Operational
characteristics of typical ESVs operating in the 5 925-6 425
MHz frequency band
3.1
In general: three distinct operational phases
3.2
ESV operations in open sea
3.3
ESV operations in stationary mode
3.4
ESV operations in motion
4 ESV technical
characteristics
Annex 2 Technical characteristics of ESVs communicating with FSS
satellites in the frequency band 14-14.5 GHz which is allocated to the FSS
1 Antenna
subsystem
2 RF subsystem
3 Modem subsystem
4 ESV technical
characteristics