DW>> But even Stewart Island is nowhere near as far south
 DW>> as Punta Arenas, where UV levels are higher than at
 DW>> any other city. Maybe your "critic" is using data
 DW>> from before the age of ozone depletion.

 MM> He now says he is working from a daily map at
 MM> www.safesun.com/uvmap.html,  which I must check out

that's uv_map.html...

 MM> next time I expose this machinery to the wretched
 MM> www...   there must be some sort of global report
 MM> somewhere, probably satellite-based...

safesun.com is a commercial site selling a UV detector tool for personal
use... it tells you how much UV you have been exposed to...

kind of interesting site though the world UV map is stuck in Dec 2000 due
to some type of problem with the TOMS stuff on the satelite...

)\/(ark