Hit the hills after work, now that we have a smidgen of sunshine at the end of the day. Called two in, the first was a high flyer not willing to drop below the treetops, but the second came in with his flaps out, looking for trouble. He found some. The little home brew sound system shown on Kentucky Afield seems to have enough volume. It's cheap, light and easy to put together, and a single 9 volt is a lot cheaper to run than a handful of AA's the other systems use.