Cm93 V2 Charts Extra Quality Download Site
: Community-managed hubs like the S/V Soggy Paws Satellite Chart Directory or archives from the Terry's Topics compilation provide specific legacy chart links alongside modern satellite imagery.
: The data grid maps coordinate origins starting from the South Pole (Latitude -90∘negative 90 raised to the composed with power , Longitude 0∘0 raised to the composed with power
: Unlike modern encrypted S57 charts, CM93 v2 uses a unique directory structure with up to 144 folders (named by geographic coordinates) and an identifying .EXD file (e.g., 20110803.EXD ). cm93 v2 charts download
To get the most out of CM93 V2 charts, here are a few tips:
Originally, CM93 v2 charts were encrypted to prevent unauthorized use. Operators needed an authorization code to view the charts, a code that had to be entered manually. However, as we will discuss later, the security of this encryption was eventually compromised, leading to widespread unauthorized copies. : Community-managed hubs like the S/V Soggy Paws
Because C-MAP no longer sells or supports CM93 v2 (it was replaced by and other cloud-based services), the only way to obtain it is through unofficial channels :
If you need global free vector charts, consider or Chartworld’s free tiles – they are less detailed but legally clean. Operators needed an authorization code to view the
Without the CHART.DIR file in the root directory, OpenCPN and other chart plotters will fail to parse and display the chart data. Step-by-Step: Setting Up CM93 v2 Charts in OpenCPN
Communities like CruisersForum, YBW, or Reddit’s r/opencpn sometimes share links via:
Legitimate CM93 v2 charts are and are distributed under license. Authorized methods include: