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

AA4PM callsign genealogy

Currently held by LARKIN, RALPH

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 AA4PM's current licensee, walking backwards.

  1. AI4YDcancelled· E
    Michael, Phillip BFLgranted 2012-01-04cancelled 2019-02-14
  2. KG4SJZcancelled· E
    Michael, Phillip BFLgranted 2002-03-27cancelled 2007-05-10

Successor callsigns

Callsigns held now by people who previously held AA4PM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA4PM, oldest first.

  • LARKIN, RALPH FL
    2006-11-07 → cancelled 2019-01-01
  • Michael, Phillip B FL
    2019-02-14 active
← Back to AA4PM License history →