Living in Ohio, I am bordered by two states where scanners are illegal (Kentucky and Indiana) with a third a days' drive away (New York). Now, I have railfanned there in the past with a 40+" MagMount antenna on my car and have had no problems (didn't think I would). I'm asking if there is a decent window-mount antenna (either outside or inside). The easy answer would be "get a Ham license" but that's something I don't need to do. I know of through-the-window antennas that look like they are for an old car phone, satellite radio or GPS. My question is, are they any good? And how hard is it to tie a scanner into your car's built-in AM-FM antenna?
What are you looking at?