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

N4ZJK callsign genealogy

Currently held by DULL, ROBERT L

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 N4ZJK's current licensee, walking backwards.

  1. KC4QCO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4ZJK.

No current licensee on record previously held this callsign.

← Back to N4ZJK License history →