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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AB8AT callsign genealogy

Currently held by COFFEY, JOHN A

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by AB8AT's current licensee, walking backwards.

  1. KB8UTF
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held AB8AT.

No current licensee on record previously held this callsign.