Multibeam echo sounders of the Pourquoi pas ?
The Pourquoi pas ? has 2 multibeam echo sounders:
- Seabat 7150, for deep water, with 2 frequencies
- Seabat 7111 for up to 900m water depth.
Multibeam echo sounders | Seabat 7150 | Seabat 7111 | |
Manufacturer | Reson | Reson | |
Frequency | 12 kHz | 24 kHz | 100 kHz |
Max depth | 12000 m | 5000 m | 800 m |
Rx beams | 880 equidistants | 301 equidistants | |
Beams resolution | 1°x1° | 0.5° x0.5° | 1.5°x1.5° |
Swath width | 5x water depth (16 km max.) | 150° (7x water depth) (1 km max) | |