I don't know if you need an FM filter because you haven't done an FM FOOL report.
http://www.fmfool.com/index.php?opti...pper&Itemid=29
Here is an FM report for your zip, which is the center of town, but it might not be accurate for your actual location.
http://www.fmfool.com/modeling/tmp/9...a/Radar-FM.png