GSC Sentinel-2 PDGS SRD - emits - ESA

GSC Sentinel-2 PDGS SRD
Issue 1 Revision 2 (draft) - 25.07.2010
GMES-GSEG-EOPG-RD-09-0028
page 51 of 204
S2-PDGS-SYS-420
The PDGS CGS shall support continuous downlinks via X-Band of up to 13 minutes.
S2-PDGS-SYS-425
The PDGS shall support an overall downlink flow of 20 minutes per orbit in average per
satellite.
S2-PDGS-SYS-430
The PDGS shall be sized to support:
initially, only Sentinel-2A in preparation, commissioning and operation
subsequently, with Sentinel-2A in operation, Sentinel-2B in preparation, commissioning
and operation
S2-PDGS-SYS-435
The MPAC shall be sized for processing and archiving such as to support the dataprocessing
operations required nominally for IPF verification activities and anomaly
investigation activities.
S2-PDGS-SYS-440
The PDGS network communications to the FOS shall support the transfer of up 20MBytes
of HKTM data per orbit.
5.1.4 OPERATIONAL REQUIREMENTS
S2-PDGS-SYS-445
All the PDGS HMIs shall be provided with the following characteristics as a minimum:
Ability to monitor on-going activities by progress bars or equivalent indicators able to
provide elapsed & estimated completion times
Ability to stop/cancel/pause/resume an on-going activity
Preliminary syntax checks for data insertions
Confirmation for critical commands submission (e.g. deletion)
Multiple window display
Random movement through fields
Context-sensitive menus
Context-sensitive help.
S2-PDGS-SYS-450
The PDGS HMIs shall ensure that a feedback is systematically provided to the
user/operator/administrator after initiating a transaction as a minimum indicating that a
process has been initiated.
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