On 26 Nov 2004 03:22:25 GMT, Doug Smith W9WI wrote:

I can see RFID tagging and water-meter transponders operating on SW
frequencies. Maybe with a modest spread-spectrum (over a few hundred
KHz) scheme.

I guess if consolidation in all industries continues there might be a
reason to control a water heater in Tonga from Con Edison in New York.

Rich