What is a cm93 chart?

What is a cm93 chart?

The circa-2012, CM93 chart shows an outline of the Marinas in the Sabalo Estero, but with few details. Fortunately, the combination of our CMAP charts and the Blue Latitude Press Pacific Mexico guide gave us the information we needed. CM93 charts in Canada?

Can I use cm93 charts in OpenCPN?

CM93 “version 2” charts are easily used in the open-source, freely available, OPENCPN navigation program (CM93 “version 3” charts do not work in OPENCPN). When we were planning to sail to Mexico, a cruising friend gave us a copy of the CM93 charts.

How do I use cm93 offset dialog?

CM93 Offsets 1 Go to Single Chart Mode (non-quilted), with cm93 charts displayed. Use Q or F9 to toggle quilting on/off 2 Zoom/Pan to the region of interest. 3 Right click and activate “CM93 Offset Dialog” More

Are the cm93 charts accurate for Mexico?

When we were planning to sail to Mexico, a cruising friend gave us a copy of the CM93 charts. We were impressed that they covered the globe; we were less impressed when we saw their lack of detail. This was especially the case when we left the highly accurate (and free) raster charts of the USA and entered Mexico.

How to load cm93-version2 charts in OpenCPN?

CM93-version2 Charts are different from the S57 vector charts, and has it’s own data structure consisting of a number of folders and files. To load these charts in OpenCPN just add the top directory to the list of “Active Chart Directories”. In the top CM93 directory is an empty file with the “.EXD”, for example 20110803.EXD.

Are cm93 charts any good for BC waters?

The circa-2000 CM93 charts are terrible for BC waters, even on the south coast of BC (even though most areas in 2000 were exquisitely charted by the Canadia Hydrographic Service (CHS) as well as preceding (mostly British) cartographers). However, by 2012, the CM93 charts are quite good.