I bit the bullet and bought the Grove Beam III (spelling?) antenna that Dave recommended. It will be up by the end of the month, hopefully it being outside will end the interference I've been having on tower freq.
In June, the feed will be switching to KBVI Beaver County Airport. I'm moving there to start my ATC schooling.
Good luck with the schooling...by the time you're done you could be in a good position to get hired.
Being near KBVI you may be able to pick up Pittsburgh Approach...about 17 miles away...depends on where you live.
I'll be about 3 miles east of BVI. There are some large hills/mountains between there and PIT, that may interfere somewhat.
100LL is $1/gal cheaper at BVI than CMH