Are you listening to 102 or 91Mhz?
Look at this site...
http://radio-locator.com/cgi-bin/finder?call=KHNS&x=0&y=0&sr=Y&s=C
102 is 3K watt and at 6 miles should be no problem. but 91 is only 49 watts and might be an issue at 6 miles. The above gives you a coverage map. You can also put your location into http://www.fmfool.com/ and it will give a complete run down on the stations you should be able to receive.
Look at this site...
http://radio-locator.com/cgi-bin/finder?call=KHNS&x=0&y=0&sr=Y&s=C
102 is 3K watt and at 6 miles should be no problem. but 91 is only 49 watts and might be an issue at 6 miles. The above gives you a coverage map. You can also put your location into http://www.fmfool.com/ and it will give a complete run down on the stations you should be able to receive.