Further update: optional course trails have been added to the impulse mapping module.

When turned on, the vessel's previous course is shown as a 'trail' behind the position indicator for up to five minutes (longer for navigation mode).

In tactical mode, the user can choose to turn on course trails independently the vessel and/or any tracked TSMOs (eample to right shows course trail for both vessel and TSMO).

Updated detail has been added to the impulse mapping module page.

Also, in tactical mode the display of contacts has been updated. Contact indicators are now colour-coded to match their designation with matching colours added to the markup overlay. This reflects the change in approach to contact designation procedure, which someone from tactical will be posting about soon.