I have had my Badlands for about a month now - a former Dirt Mountain Bronco. In the last week or so I started hearing a popping sound from an unknown source. I trouble checked everything I could think of and have narrowed it down to the sound coming from the roof. It seems to have gotten worse in the last couple days. I know this was a known issue with MIC 1.0. Is anyone experiencing a similar issue with their MIC 2.0 ? What is actually causing the popping sound ???