'Seawolves' contains Mods by...

or Pato's bearing overlay v 3.0, again the readme from the 'Seawolves' install directory:

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Bearing Overlay v3.0
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Reworked numbers lines and added range circles up to 3000mts.

Install:

In C:\Program Files\Ubisoft\SilentHunterIII\data\Submarine\NSS_U boat**\NSS_Uboat**_shp.tga

Look for the TGA files on each folder and BACK UP the orginial ones, then you will have to manually rename this file to replace each of the original ones with its proper names for each type of hull.

Then backup the file Maps.cfg located in:

C:\Program Files\Ubisoft\SilentHunterIII\data\Menu\cfg\

Edit the file and modify this line from 5 to 20


SymbolZoom=20


This will allow the overlay to be visible with higer zoom levels

Note:

There is an offset of aprox +0.5 degree which is most obvious when heading east, this respond to some sort of asymmetry on the original file and I haven't been able to remove it completely.

Enjoy

Pato