"Antenna Reference Point (ARP) de l'antenne GPS.Dessus le plaque support de l'antenne GNSS de la station du RGP. Point de référence de la station RGP ILDX"
| 28/04/1983 | 31/03/2011 | 09/02/2012 | 12/04/2016 | 08/06/2016 |
| ---- | ---- | SHOM | SHOM | SHOM |
| Not installed yet | Not installed yet | Q | Q | Q |