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

AB3AP callsign genealogy

Currently held by Markowski, Michael J

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 AB3AP's current licensee, walking backwards.

  1. KB3JDHcancelled· G
    Holloway, J DavidPAgranted 2007-10-23cancelled 2009-03-27
  2. KB3PULcancelled· T
    Holloway, J DavidPAgranted 2007-10-04cancelled 2007-10-23

Successor callsigns

Callsigns held now by people who previously held AB3AP.

No current licensee on record previously held this callsign.

← Back to AB3AP License history →