Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4JDM callsign genealogy
Currently held by Miller, Jarrett
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 WB4JDM's current licensee, walking backwards.
- Miller, JarrettTNgranted 2024-10-22cancelled 2024-11-13
Successor callsigns
Callsigns held now by people who previously held WB4JDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4JDM, oldest first.
- EVANS, ROBERT B AL1998-04-14 → cancelled 2010-04-15
- Miller, Jarrett TN2024-11-13 active