Multibeam echo sounders of L'Atalante
L’Atalante is fitted with 2 multibeam echo sounders: EM122 for deep water and EM710 for shallow and medium water.
Multibeam echosounders | EM122 | EM710 |
Manufacturer | Kongsberg | Kongsberg |
Frequency | 12 kHz | 70-110 kHz |
Max depth | 12000 m | 1500 m |
Rx beams | 288 | 256 |
Beams resolution | 1° (Tx) x 2° (Rx) | 0.5° (Tx) x 1° (Rx) |
Swath width | 140° (5.5x water depth) (20 km max) | 140° (5.5x water depth) (2 km max.) |