electronicwiz101 wrote:I wonder why they don't have these things in Tornado Alley? It’d be good for those heavy sleepers. If they did re-instate them, the alarms would probably have the 520Hz square tone; not in Code 3, of course.
chris+s wrote:If memory serves correctly, the carrier current signal can't pass through transformers, so it's only good for a local building or block basically.
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