Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DMD callsign genealogy
Currently held by Higley, Joan
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 W7DMD's current licensee, walking backwards.
- Higley, JoanUTgranted 2025-07-08cancelled 2025-07-26
Successor callsigns
Callsigns held now by people who previously held W7DMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DMD, oldest first.
- GRIFFIN, DON L AZ2012-06-06 → cancelled 2024-08-20
- Higley, Joan UT2025-07-26 active