Directional stuff can be tricky. Just use a rubberducky antenna (a stick - heck, just a piece of wire), and measure relative intensities in a few points on the

Directional stuff can be tricky. Just use a rubberducky antenna (a stick - heck, just a piece of wire), and measure relative intensities in a few points on the map. That will give you an idea where the epicenter is. Then walk through that area while keeping an eye on the intensity. I betcha you will bump right into the culprit.