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

AJ4O callsign genealogy

Currently held by ARD, OSCAR N

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 AJ4O's current licensee, walking backwards.

  1. WW4FLcancelled· E
    Quick, JesseFLgranted 2021-04-27cancelled 2026-04-14
  2. NJ2Jactive· E
    Lemons, Lora LVAgranted 2023-06-02
  3. KK4QHEcancelled· E
    Lemons, Lora LVAgranted 2023-05-10cancelled 2023-06-02

Successor callsigns

Callsigns held now by people who previously held AJ4O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AJ4O, oldest first.

  • ARD, OSCAR N KY
    2013-10-17 → cancelled 2026-03-06
  • Quick, Jesse R FL
    2026-04-14 active
← Back to AJ4O License history →