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

AJ4DL callsign genealogy

Currently held by LEONARD, DAVID S

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 AJ4DL's current licensee, walking backwards.

  1. AG4VZcancelled· E
    LEONARD, DAVID SGAgranted 2002-10-01cancelled 2002-11-19
  2. AA7QFcancelled· E
    LEONARD, DAVID SGAgranted 1999-02-10cancelled 2002-10-01

Successor callsigns

Callsigns held now by people who previously held AJ4DL.

No current licensee on record previously held this callsign.

← Back to AJ4DL License history →