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

KE4ZBW callsign genealogy

Currently held by HOBSON, MARK E

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 KE4ZBW's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KE4ZBW.

  1. KZ4Uactive· E
    HOBSON, MARK EALgranted 2019-03-28