![]() That't all quite nicely, but few people proceed to sea these times without electronic charts on board. Updating document charts can be a basic issue of contacting the updates given in a relevant Notice to Mariners and transferring these via a trusty pink pen to the graph: John Rainsbury published about how to update your papers charts in PBO September 2014. Stones might not really shift, but locations are usually resurveyed all the time - and sandbanks and mudbanks certainly do shift, not really to point out brand-new buoyage and wrecks which show up all around óur coasts - and wé require to get benefit of any improvements. ![]() While we depend even more and even more upon our electronic charts, they are usually only as precise as their supply data.
0 Comments
Leave a Reply. |