Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MRL callsign genealogy
Currently held by FREIERMUTH, LEO 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 W7MRL's current licensee, walking backwards.
- Lee, Matthew RWAgranted 2025-04-02cancelled 2025-04-22
Successor callsigns
Callsigns held now by people who previously held W7MRL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MRL, oldest first.
- FREIERMUTH, LEO J OR2007-01-17 → cancelled 2019-02-22
- Lee, Matthew R WA2025-04-22 active