Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4EM callsign genealogy
Currently held by MITCHELL JR, BEDFORD C
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 AD4EM's current licensee, walking backwards.
- Brown, Robert CNCgranted 2017-11-30cancelled 2018-06-05
Successor callsigns
Callsigns held now by people who previously held AD4EM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD4EM, oldest first.
- MITCHELL JR, BEDFORD C TN1993-05-25 → cancelled 2005-05-26
- Brown, Robert C NC2018-06-05 active