FRV Clupea 3/72
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1972-04-17 — 1972-04-28|
|Port of departure||Buckie, United Kingdom|
|Objectives||1. To calibrate the counting echosounder against known targets.
2. To assess the Marconi Digital sonar.
The echo level distributions obtained from standard targets at knon density were ascertained and they provide a reference for all future work. An echo survey for herring of the areas from 60 degrees to 60 degrees 30 minutes North and eastwards to 2 degrees East, and 20 miles east of Wick was carried out.
|Chief scientist||Robert E Craig (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.04 MB)|
|Specific||East of Shetland, east of Wick and Loch Ness.|