Links to tools and resources.. what have you found ?

here is one I found...........

www.n0hr.com has a tool for FireFox browser users called PropFire
yeap a propagation tool built-in to the firefox web browser

here is a link to the new N0hr Blog
http://www.n0hr.com/hamradio_blog/

what have you found that we may find useful for Hamming ?

73
steve
KG5VK