Dave, Excellent, top-quality-Sumner writing. Jim W. AMATEUR RADIO: The only fail-safe communications system in the world. ARRL: The reason Amateur Radio is! Jim Weaver, K8JE, Director, Great Lakes Division ARRL 5065 Bethany Rd., Mason, OH 45040-9660, Tel. 513-459-0142, E-mail <mailto:k8je@arrl.org> k8je@arrl.org