Site characteristics
a broad plateau: 8X9 km˛ in area, 7,5 nautical miles from shore
depth: 3800 ± 50m
transmission length: 55 ± 10m at λ=460 nm
underwater currents: < 10 cm/sec
optical background: 75 kHz/OM due to K40 decay, bioluminescence activity (1% of the experiment live time)
sedimentology tests: flat clay surface on sea floor good anchoring ground
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