Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DJM callsign genealogy
Currently held by Mays, Dennis 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 K7DJM's current licensee, walking backwards.
- Mays, Dennis JOHgranted 2007-08-14cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held K7DJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DJM, oldest first.
- McDonald, Denise J CA2003-05-30 → cancelled 2015-06-02
- Mays, Dennis J OH2025-11-21 active