An echo sounder measures the depth of water by measuring the time it takes for a pulse of energy to travel to the seabed and back. This short pulse of energy is transmitted vertically down from the boat. The time it takes for the energy to travel down and back determines the depth of water along with the speed of sound in the water. We use this information primarily for navigation purposes and obtaining depth for charting purpose.
Recently spotted near Gairloch in Wester Ross were some winter spawning Herring.We have been watching them coming closer to shore over the last few weeks.They are almost ready to spawn! This is very exciting because last March was the first recording of herring spawn in the Gairloch area for many years.
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Keltic Seafare (Scotland) Ltd Unit 6 Strathpeffer Rd Ind Est Dingwall IV15 9SP
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