Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MML callsign genealogy
Currently held by Kimmle, Sean D
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 K1MML's current licensee, walking backwards.
- Kimmle, Sean DILgranted 2018-01-19cancelled 2023-04-18
Successor callsigns
Callsigns held now by people who previously held K1MML.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MML, oldest first.
- MAMMONE, LAWRENCE D CT2006-11-21 → cancelled 2019-01-03
- Kimmle, Sean D IL2023-04-18 active