Attention:

The EM-Log is operated by ship's command only.

Summary

The electromagnetic log measures the speed of the vessel through water.

Manufacturer SAGEM
Model LHS
Serial No. n/a
Type speed log
REGISTRY-Link ↪ REGISTRY (627)

Contacts

Name Institution Role
Reederei Laeisz F. Laeisz Engineer In Charge

Components

Position

Infoxyz-position of transducer from Alignment Survey Report RV Polarstern (June 2016), transducer located in box keel, electronics located on G-deck room G707, display located on bridge
X78.99 m
(X-0 is at the center of der rudder (ref. design drawing of the vessel), positive X-axis is forward and along vessel centerline)
Y-0.502 m
(Y-0 at centerline, positive Y-axis is portside)
Z0.022 m
(Z-0 is set to the lowest point of the keel, positive Z-axis is upwards)

Data logging, storage and archiving

Logged parameters

Parameter O2ARegistry Output Type Unit
speed speed knot

Central geographical ship's position and time standard

Rawdata storage on board

Dship

Data archiving on land