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

NJ4Z callsign genealogy

Currently held by GIBBS, HAROLD 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 NJ4Z's current licensee, walking backwards.

  1. KE4PLTcancelled· E
    GENDRON, JOHN PSCgranted 2016-05-06cancelled 2018-12-15
  2. KM4THPcancelled· T
    GENDRON, JOHN PSCgranted 2016-04-18cancelled 2016-05-06

Successor callsigns

Callsigns held now by people who previously held NJ4Z.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NJ4Z, oldest first.

  • GIBBS, HAROLD L TN
    2006-10-31 → cancelled 2018-11-21
  • GENDRON, JOHN P SC
    2018-12-15 active
← Back to NJ4Z License history →