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

AA4AP callsign genealogy

Currently held by HOLT, WILLIAM T

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 AA4AP's current licensee, walking backwards.

  1. NC4WHcancelled· E
    HOLT, WILLIAM TNCgranted 2013-06-29cancelled 2021-12-17
  2. KF4TVEcancelled· E
    HOLT, WILLIAM TNCgranted 2007-09-21cancelled 2013-06-29

Successor callsigns

Callsigns held now by people who previously held AA4AP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA4AP, oldest first.

  • RENSTROM, LLOYD J VA
    2007-07-12 → cancelled 2019-10-02
  • HOLT, WILLIAM T MD
    2021-12-17 active
← Back to AA4AP License history →