Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3AJ callsign genealogy
Currently held by GAJDOWSKI, RICHARD 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 AC3AJ's current licensee, walking backwards.
- GAJDOWSKI, RICHARD JPAgranted 2011-01-06cancelled 2017-03-03
Successor callsigns
Callsigns held now by people who previously held AC3AJ.
- GAJDOWSKI, RICHARD JPAgranted 2017-03-21