Inmarsat 4F2 L‑Band Changes 19/09/23

20. September 2023 - 16:09:02 CESTVERÖFFENTLICHTMailversand: 2023-09-20 16:30:08

We would like to advise you of the forth­coming change on 4F2. As antici­pated in the previous Service Notifi­cation, as part of customer service impro­ve­ments, Inmarsat engineers will adopt the Sat ID identifier “3” that is currently used by I4F2 (MEAS) on the I6F1 (IOE), at the end of this activity all BGAN services over I4F2 will cease. 

The details and timeline of the changes are reported below:

Activity: 4F2 Changes
Date of Outage: 19th September 2023
Ocean Region: MEAS
Services Affected: BGAN/FBB/SBB, M2M, SB‑S 1.0, SB‑S 2.0
Start of Maintenance period: 08:00 UTC
End of Maintenance period: 15:00 UTC
Single or Multiple Outage(s) & Duration(s): Service outage of up to 15 minutes per terminal, while the terminal is reacquiring services over the overlapping regions.
Outage Impact: Terminals will need to re-register (occurs automa­ti­cally). Terminal should acquire into overlapping satellite. M2M and Land fixed terminals will lose service on I4F2/MEAS and will require manual repointing to an overlapping satellite.
Terminals affected: All terminals
Actions needed by user: None for the users with steerable antenna (Land Mobile, Aero, Maritime), terminals with fixed antenna pointing will require manual pointing to overlapping satellites.

Abbreviations and their meaning

  • Americas I-4 = Satelite responsible for the region of North- and Southamerica
  • APAC = Asia Pacific
  • BGAN = Broadband Global Area Network. Inmarsat service for BGAN devices
  • CDR = Call Detail Record
  • EMEA = Satellite responsible for the region of European Middle East Africa
  • FB or FBB = FleetBroadBand. Inmarsat service for FBB devices
  • GSPS = Global Satellite Phone Service. Inmarsat voice service for IsatPhone
  • IRIS = Remote monitoring and control system
  • SB or SBB = SwiftBroadBand. Inmarsat service for SBB devices
  • TBC = To be confirmed
  • UTC = Universal Time Coordinated

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