Ed: With 500 GB of memory you should have no trouble running any program likely to be produced in the next few years. MixW can get a pretty good range of resolution. In the case of resolution, looking at 20 m on MixW at a zoom factor of 0.5, the spread on the display is 14.070 through 14.080.
Looking at 20 m on MixW with a zoom factor of four, you have just about as much resolution as you could ever want. The spread goes from 14, 070.1 through 14,071.5 . That is spread out through the entire width of the page. Dick,KC4COP
