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June 1, 1973 · TAP (YIPL)

TAP No. 19 - Snoop Light, Taping Fortress Tones

TAP No. 19 - Snoop Light, Taping Fortress Tones

Reports Northwestern Bell removing bells from pay phones and quotes AT&T chairman John D. deButts’s rosy public statements against Security Letter editor Robert McCrie’s more skeptical read. ‘Monkey Warfare’ catalogs methods for defeating parking meters (fake coins, magnets), while ‘A Red Box in Every Pot’ explains recording pay-phone coin tones on cassette tape for reuse without owning a box. Includes a ‘Snoop Light’ circuit for detecting picked-up extensions during a call, and ties AT&T subsidiary Chesapeake & Potomac Telephone to the Watergate bugging operation.

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