Recaps 1975 as a year of Bell ‘arson, greed, corruption, and invasion of privacy,’ citing a suspicious central-office fire and revelations that the company recorded over 30 million calls hunting for black-box users, and runs a detailed technical breakdown of black-box circuit variants. Read more →

Covers New Jersey Bell’s discontinuation of shared party lines as a disguised rate hike, walks through wiring a home extension phone, and covers repurposing a discarded ‘Fortress’ payphone as an extension. Read more →

Announces a new physical TAP office in New York for volunteers and readers, publishes an ‘Advanced Blue Box’ circuit built around a 555 timer for better frequency stability, and corrects component values from an earlier Snoop Light circuit. Read more →

1975 Credit Card Code, Newspaper Machine Discovery, How To Read Computer Bills, Some Interesting Ideas for Pay Phone Boxers, Letters, etc. Read more →

Returns after an unannounced six-month hiatus with reader-sourced improvements to the New Blue Box circuit, warns of an early caller-ID-like device marketed to catch obscene callers, and expands earlier coverage of free-electricity meter wiring. Read more →

Reports Bell’s phase-out of glass phone booths for vandalism-resistant designs ahead of a shift to single-slot coin phones, plugs a security kit for handling police encounters, and covers tricks for defeating vending machines. Read more →

States TAP’s editorial policy of publishing technical information rather than material meant only to cause harm, criticizes AT&T chairman John deButts’s public statements against the company’s profit jump and a GTE billing scandal, and gives mail-security instructions for corresponding with TAP. Read more →

1974 Credit Card Code, Advice on Turning Back ConEd Meters, Report on Toll Fraud Detectors, etc. Read more →

Skewers the Nixon administration’s response to the 1973 energy crisis, then gives a detailed illustrated guide to reading, slowing, jumping, or bypassing residential electric meters and picking a ‘rollersmith’ meter lock, alongside a fundraising appeal for Abbie Hoffman’s legal defense. Read more →

Describes building the ‘Answeroo,’ a relay-based device that silently answers an incoming call with a lamp instead of a ring, and continues the reader-driven ‘Destructory Assistance’ information exchange. Read more →

Name Change Explanation, Abbie Hoffman Defense Fund, Convention News, Letters, Automatic Phone Tap, Phone Firm President Indicted, etc. YIPL changes its name to Technological American Party, TAP, with this issue. Read more →

Publishes a list of New York Telephone’s foreign-country dial-tone test numbers, debunks a widely circulated rumor about a phone number that supposedly revealed wiretaps, and covers automatic number identification (ANI). Read more →

Reports Northwestern Bell removing bells from pay phones, catalogs methods for defeating parking meters, explains recording pay-phone coin tones on cassette tape for reuse, and describes a ‘Snoop Light’ circuit for detecting picked-up extensions. Read more →

A reader’s call to rename ‘Ma Bell’ to ‘Pa Bell’ over AT&T’s all-male leadership frames the issue, which also includes an Abbie Hoffman column on free speech, an early profile of computer criminals by Donn Parker, and an account of Israeli operators fired for eavesdropping on a Golda Meir call. Read more →

Compiles news of AT&T rate hikes and regulatory failures, lays out phreak operational-security rules for assuming calls may be tapped, and introduces a mechanical Red Box variant and a ‘Line Relay’ project for triggering devices when the phone rings. Read more →