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

AJ4NU callsign genealogy

Currently held by Herbert III, Frederick 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 AJ4NU's current licensee, walking backwards.

  1. W3LNXcancelled· E
    Herbert III, Frederick SSCgranted 2008-02-05cancelled 2009-01-21
  2. NZ4Jactive· E
    YARBOROUGH, RICHARD LNCgranted 2023-05-19
  3. WZ4Tactive· E
    ANDERS JR, STERLING PNCgranted 2025-06-07
  4. KZ4TFcancelled· E
    ANDERS JR, STERLING PNCgranted 2025-04-08cancelled 2025-06-07
  5. KR4DAGcancelled· E
    ANDERS JR, STERLING PNCgranted 2025-04-08cancelled 2025-05-19

Successor callsigns

Callsigns held now by people who previously held AJ4NU.

No current licensee on record previously held this callsign.

← Back to AJ4NU License history →