I've done some mobiling with my K2 and HamSticks. I was driving home from the SFO area last Friday evening and had a number of nice Qs and got good reports from stations in CT and SC. My best to date was working Italy from the SFO area on 15 meters in the middle of the afternoon using the K2 and KAT2... with a 10 meter hamstick. Lou W7DZN