something like this comes to mind since you want a wide range to play/make use of.
http://www.radioshack.com/radioshack-outdoor-scanner-ham-discone-antenna/2000043.html
but as you can see your limited
This would actually be a good topic for some ham operators to chime in on, is there anything that can do ?mhz~6ghz some what effectively an ALL in one of sorts?