yep LOTS of ways to skin this particular cat eh DN - thanks! they are both great ways of detecting activity
the ham radio guys are always onto it pretty quick to -
personally the advance early warning service from our friends across the tasman, (and around the world) being first to go unto the night darkly, and when they feel like it, can be pretty darn helpful to
the Kiwi early warning detection network system, if working, is the best possible I reckon
http://www.spacew.com/www/auroras.php
I find, ultimately, there's no substitute for getting outside to a dark sky site and using the good old eyeballs
