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

AB8NU callsign genealogy

Currently held by Colarik, Michael P

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 AB8NU's current licensee, walking backwards.

  1. KC8SQPcancelled· E
    Colarik, Michael POHgranted 2001-12-06cancelled 2002-04-25

Successor callsigns

Callsigns held now by people who previously held AB8NU.

No current licensee on record previously held this callsign.