Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ACM callsign genealogy
Currently held by DUBOSE, JONATHAN 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 K3ACM's current licensee, walking backwards.
- DUBOSE, JONATHAN TTXgranted 2008-03-10cancelled 2017-11-04
Successor callsigns
Callsigns held now by people who previously held K3ACM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3ACM, oldest first.
- MADISON, JAMES A MD1996-08-05 → cancelled 2008-08-06
- DUBOSE, JONATHAN T TX2017-11-04 active