Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MLK callsign genealogy
Currently held by Guenther, Jereme E
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 W7MLK's current licensee, walking backwards.
- Guenther, Jereme EORgranted 2021-02-23cancelled 2021-09-17
Successor callsigns
Callsigns held now by people who previously held W7MLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MLK, oldest first.
- LYONS, JAMES W CA2006-04-21 → cancelled 2018-07-12
- Guenther, Jereme E OR2021-09-17 active