World’s Longest and Deepest Alternating Current Cable Route Surveyed with Spectra Geospatial SP60

Athens, Greece (January 2021) – A two-person Astrolabe Engineering survey team using a single SP60 GNSS receiver recently completed the entire land and sea route for the world’s longest and deepest alternating current (AC) cable. 

Linking the island of Crete to mainland Greece, the 174-kilometer-long interconnection, of which 132 kilometers are on the seabed, became fully functional last month. Connecting Megalopolis in central Peloponnese with Heraclion, the biggest city on the island, the cable is expected to meet more than a third of the island’s electrical power demand and enable the island to permanently close its most polluting power plants. 

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