The magnitude 6.0 earthquake that injured over 100 people, ripped up roads and destabilized buildings in Napa County early Sunday morning didn’t do much more in West Marin than spur a collective awakening at 3:20 a.m.—and give the local disaster council a chance to test their radio system. Many in the Bay Area who turned on their radios after the shake heard KWMR’s transmitter wrangler, Richard Dillman, providing updates and information on the air for…