September 6, 2012 at 6:05 pm
#769629
bvm
Member
Here’s a map of “hum” reports. Mostly from early Tuesday morning 9/4/12 or just before/after that time frame.
Add a plot point if your area isn’t represented!
http://maps.google.com/maps/ms?ie=UTF&msa=0&msid=217589401567403518668.0004c90aa2a171d5cc52e