Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5MML callsign genealogy
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 N5MML's current licensee, walking backwards.
- LEONBERGER, MATTHEW MTXgranted 2019-05-23cancelled 2019-07-20
Successor callsigns
Callsigns held now by people who previously held N5MML.
- MAWBY JR, WILBERT WLAgranted 2019-04-23
All historical holders
Every license row we've seen with the callsign N5MML, oldest first.
- LEONBERGER, MATTHEW M TX2019-07-20 active
- —— → cancelled 1999-07-20