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

AJ3X callsign genealogy

Currently held by Krysztoforski, Joseph 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 AJ3X's current licensee, walking backwards.

  1. W3CPOactive· G
    Baker, Jay RMDgranted 2025-06-26
  2. KC3EAKcancelled· T
    Baker, Jay RMDgranted 2014-12-15cancelled 2015-07-28

Successor callsigns

Callsigns held now by people who previously held AJ3X.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AJ3X, oldest first.

  • BAKER, GEORGE E MD
    1995-08-01 → cancelled 2002-09-12
  • Krysztoforski, Joseph T FL
    2022-09-20 active