040602-2325 using: http://marlin.jcu.edu.au :

040603-0525 using: http://www.eng.jcu.edu.au :

040603-1425 using: http://www.eng.jcu.edu.au :

040603-2325 using: http://marlin.jcu.edu.au :

David Mac's webpage is at: http://www.geocities.com/davd.geo/index.html (or: http://snipurl.com/6400 )