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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KN7ZEA callsign genealogy

Currently held by Butterworth, Paul 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 KN7ZEA's current licensee, walking backwards.

  1. KJ7ZEJcancelled· T
    Butterworth, Paul AWAgranted 2021-06-07cancelled 2021-07-27

Successor callsigns

Callsigns held now by people who previously held KN7ZEA.

No current licensee on record previously held this callsign.