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13 April 2018

Notice:Influence of Inmarsat's service migration (I3 to I4)

Dear Customers,

Thank you very much for choosing our products.

This is important notice to our customer using Inmarsat-C, mini-C and Fleet F77 products about the influences of Inmarsat's service migration (I3 to I4) starting from 30th April, 2018 and required countermeasures.

1. Objective product

No. Service Model
1 Inmarsat-C JUE-75A, JUE-75C, JUE-85, JUE-87
2 mini-C JUE-95SA, JUE-95LT, JUE-95VM
3 Fleet F77 JUE-410F

2. The influence and countermeasure against JRC product

No. Service Model Influence and countermeasure
1 Inmarsat-C
mini-C
JUE-75A / JUE-75C
JUE-85 / JUE-87
JUE-95SA / JUE-95LT
JUE-95VM

They can communicate through I4 like using I3 satellite. Please contact your service provider and check your local applications (e.g. data reporting DNID for LRIT/VMS) will operate correctly after the service migration.
For details, please see attachmnt1(110KB).

2 Fleet F77 JUE-410F

They can communicate through I4 like using I3 satellite. If the terminal cannot catch the signal, user will be required to set the antenna direction to the appropriate satellite manually.
Antenna setup procedures are described in attachment2(3.2MB).


3. I3 to I4 Migration Date [ As of April 11, 2018 ]

Step Before Migration After Migration Migration Date*1 Objective
Equipment
Satellite Position Satellite Position
1 AORW W54° AMER
(I3 AORW Substitute)
W98° April 30, 2018
UTC17:30
Fleet F77
May 9, 2018
UTC14:00
Inmarsat-C
mini-C
2 POR E178° APAC
(I3 POR Substitute)
E143.5° Around end-Q2,
2018
Inmarsat-C
mini-C
Fleet F77
3 AORE W15.5° AORE
(Current I3 AORW*2)
W54° Around end-Q3,
2018
Inmarsat-C
mini-C
Fleet F77
4 IOR E64° EMEA
(I3 IOR Substitute)
E25° Around end-Q4,
2018
Inmarsat-C
mini-C
Fleet F77

*1: We will inform you again when the transition date of 2nd Step to 4th Step becomes clear.

*2: AORW satellite continues to be used, because current I3 AORW satellite is newer than the other I3 satellites.About migration program, please check Inmarsat web for more detail.


4. Attached document

(1)"Issue of Position Report using INM-C/mini-C DNID"(110KB)

(2)"After INMARSAT I3 to I4 Satellite Migration - Fleet F77 JUE-410F Antenna Setup Procedures"(3.2MB)


For further information: please contact

Japan Radio Co.,Ltd.

Marine Business Department
TEL:+81-3-6832-1812
FAX:+81-3-6832-1845