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

NA4JP callsign genealogy

Currently held by PALMER 3RD, JOHN W

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 NA4JP's current licensee, walking backwards.

  1. AD5QZcancelled· E
    PALMER 3RD, JOHN WFLgranted 2015-12-10cancelled 2016-10-07
  2. WB8TUZcancelled· E
    PALMER III, JOHN WTXgranted 1996-02-15cancelled 2004-05-17

Successor callsigns

Callsigns held now by people who previously held NA4JP.

No current licensee on record previously held this callsign.

← Back to NA4JP License history →