But, wouldn’t it be hard for Ambient to claim confidentiality when, as I understand, the experimental operation is being performed by a group that extends beyond Ambient?

AMATEUR RADIO:  The only fail-safe communications system in the world.

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Jim Weaver, K8JE, Director, Great Lakes Division ARRL

5065 Bethany Rd., Mason, OH 45040-9660, Tel. 513-459-0142, E-mail k8je@arrl.org