Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4JX callsign genealogy
Currently held by CREASMAN, DAVID R
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 AC4JX's current licensee, walking backwards.
- CREASMAN, DAVID RFLgranted 1999-10-05cancelled 2002-02-28
Successor callsigns
Callsigns held now by people who previously held AC4JX.
- CREASMAN, DAVID RFLgranted 1999-10-05cancelled 2002-02-28
All historical holders
Every license row we've seen with the callsign AC4JX, oldest first.
- CREASMAN, DAVID R FL1991-10-08 → cancelled 1999-10-05
- CREASMAN, DAVID R FL2002-02-28 → cancelled 2014-03-01