Page 58: of Marine Technology Magazine (April 2015)

Products globe who require positioning and mea-

S-100 Support in CARIS

In-situ Subsea surement accuracy at centimeter level.

S-57 Composer 3.0

Cable Repair

G2+ is an enhancement of Fugro’s G2

IMR specialist N-Sea used a wet repair service (based on GPS and GLONASS) habitat to complete an in-situ subsea and uses GNSS augmentation algo- cable repair. The habitat was developed rithms developed in-house. The code by Moyle Interconnector Ltd. as part and carrier-phase signals transmitted of the seabed repair project, with ESB by GPS and GLONASS satellites are

International the owner’s engineer for monitored globally by Fugro’s world- the project. The habitat allows repairs to wide network of reference stations. be implemented in-situ below sea level,

These observations are processed cen- as opposed to the conventional method trally in real-time using the company’s of recovering the subsea cable prior to proprietary algorithms to generate pre- repair. The diving scope was performed cise corrections which are used to aug- (Image: CARIS) as part of a Moyle Interconnector proj- ment the standard signals broadcast by ect to carry out the repair on the Moyle

GPS and GLONASS satellites. Custom-

CARIS S-57 Composer 3.0 in-

Interconnector cable, a 500MW HVDC ers receive corrections via seven high- cludes tools for S-100 products.

electrical interconnector, in the Irish powered communications satellites,

Sea. The interconnector cable links providing at least two independent G2+ the electricity grids of Northern Ireland data sources. According to Fugro, the CARIS released its CARIS S-57 Com- poser 3.0, a desktop application for the and Great Britain through submarine new satellite positioning service will be particularly bene