The Denver Post has a full story on Southwest's Wi-Fi trials: The airline would fit a few planes with Internet access to test the service. No vendor has been selected. AirCell and JetBlue's LiveTV division both have licenses for air-to-ground spectrum over the U.S., but LiveTV's chunk is only big enough really for email. Row 44 recently threw its hat in the ring with a high-speed satellite offering. Frontier and United also confirmed some interest in in-flight Internet.