| Task name : |
Develop Guideline on how to implement SBAS within VDES(ASM-VDE)/AIS
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| Leading committee and working group owning the task: |
ENG WG 2 |
| Tasks associated (*leading) : |
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| Tags: |
Work programme 2025-2027, Work programme 2023-2027 |
| Task Leader : |
José-Luis Martin |
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Task Number
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ENG-3.3.3 |
| Standards : |
S1030 Radionavigation Services |
| Topic area : |
S1030.3 Augmentation services |
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Task Description :
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Standardize the mechanism to provide SBAS correction and integrity information through VDES |
| Objectives of the task : |
Update IALA G1117 and G1129 Was task 3.4.2. in ENG17 report |
| Expected outcome : |
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| Compelling need : |
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| Strategic Alignment : |
O1 - Innovate, improve, and harmonise Marine Aids to Navigation constantly reflecting changing technology & system obsolescence, changing user needs, operational imperatives, environmental sustainability, and best practice.
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| Scope : |
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| Cybersecurity related : |
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| Brief and concise description of the work :
to be undertaken and programme mile-stones (where appropriate).
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| Expected numbers of sessions for completion : |
| Session 17 |
Session 18 |
Session 19 |
Session 20 |
Session 21 |
Session 22 |
Session 23 |
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+ |
v |
v |
v |
Meaning of symbols for sessions :
| v |
+ |
x |
> |
< |
| Scheduled |
Progressed |
Not progressed |
Finalised |
On hold |
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| Committee notes : |
Origins : |
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Approved by Council (Council session/Date) : |
0 |
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| Notes from the council : |
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| Status (Text) : |
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| Status (Colour) : |
Not started
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| Remarks : |
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| History of the task : |
2025-04-09 16:00:50 ENGWG2C
2025-04-11 09:25:23 ENGWG2C
2025-04-11 10:01:45 ENGWG2C
2025-05-04 18:24:59 alisa.nechyporuk
2025-09-08 14:45:53 alisa.nechyporuk
2025-10-16 11:01:15 ENGTGL25
ENG21 Input papers in regard this topic were previously presented in ENG18 and ENG20 introducing the topic and main scope of the activity to ENG Committee, especifically in WG2. In parallel, work has been done in DTEC Committee in relation to the VDES channels (ASM, VDE-TER and VDE-SAT) and messages (Message 1, Message 93 and Message 16 respectively) to be used for the retransmission of SBAS dta through VDES. This effort has resulted in the complete definition of the payload with SBAS L1 &L5 data (corrections and integrity information) to be included in those VDES messagesy. This content was presented in DTEC4 and DTEC5 having been accepted to be included in the G1117 new version already in working status (ideally to be proposed to the Council after DTEC6). Then, an input paper has been presented in ENG21 to conitnue the previous work which means the required activities to be done to enable the retransmission of those messages by the VDES groudn station as well as their processing by the mobile station on board. These activities will be done in the frame of ENG Committee but also in the DTEC Committee. This will mean to present the content developed in both committees as well as to create a liaison among them (potentially to be proposed for DTCE6). The technical content to be developed most likley should be split to be incorporated in G1129 and G1117 (to be decided). Support was required to work on this topic after ENG21 to be extended for the whole 2026 at least.
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