Hi Rod,
thanks for the compliments.
I do not use an antenna preamplifier, just a good antenna and a good cable (22 meters exact!).
My height above sea level is 26 meters!
Once I got into the mountains, and with the supplied antenna saw air traffic up in Switzerland and in Libya. About 600 miles, but the mountain where I go is 1100 meters high above sea level and I have everything free at 360 degrees.
Are you perhaps the Rod of the site where I downloaded the silouettes and other add-ons for RadarBox? :-)
Best regards