Barry,
Did your AIM Solo come with the metal bracket shown as item 5 on this page:
http://autoanalyser.com/performance/solo-p-104.html

Then all you need is the rest of the RAM mounting system:
http://autoanalyser.com/performance/...unt-p-106.html
It's expensive but it's worth it. It will outlive all your electronic devices and lots of options are available for all your future mounting solutions:
http://www.rammount.com/