Maptech Support Support Home > Chart Navigator Pro & Chart
Navigator Light > Technical Documents > 2e. Using ARPA, MARPA,
and Radar with Chart Navigator Pro  TITLE  (printable
format) (email this document)   Created: 12/13/2006 Modified:
06/21/2007   Electronics Hookup and Configuration   Navigators
rely on ARPA/MARPA radar devices to track ships and obstacles.
Chart Navigator Pro can interface with these devices, and
display targets in its chart windows.  What it is NOT: Radar
Overlay Be aware that, at this time, there is no way to overlay
the actual radar image onto the nautical chart. This is a very
powerful and complex feature reserved for the most high-end
chart plotters (such as Maptech's i3.) What Chart Navigator Pro
is capable of displaying, however, are targets identified
through the ARPA/MARPA system of the radar.  ARPA & MARPA: What
is it and what's the difference? ARPA is an acronym for
Automatic Radar Plotting Aid MARPA is an acronym for Mini
Automatic Radar Plotting Aid  The difference between t