Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM7K callsign genealogy
Currently held by JCEC / ARES
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 WM7K's current licensee, walking backwards.
- KD7AUOcancelledTYNER, WILLIAM Acancelled 1998-04-22
Successor callsigns
Callsigns held now by people who previously held WM7K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WM7K, oldest first.
- JOHNSTON, PAUL C OR1995-09-26 → cancelled 1997-12-05
- JCEC / ARES OR2018-11-27 active