In addition to the satellite and graphic banks that David mentioned,
there are also radar and fax.
Default color banks defined in colors.h are:
95 satellite colors
20 radar colors
33 graphic colors
2 Fax colors
The maximum number of colors in a table is 256 which is compatible
with 8 bit color.
Unidata User Support
On Thu, 2006-02-23 at 10:25, David Ovens wrote:
Actually you can have 95 levels of enhancement for "satellite" imagery
and the other 33 of (128-bit color) are 1 for background and 32 for
the lines and colors of overlays.