Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MEF callsign genealogy
Currently held by MEFFERT, MICHAEL 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 K1MEF's current licensee, walking backwards.
- Falls, Michael ECTgranted 2007-11-28cancelled 2015-12-12
Successor callsigns
Callsigns held now by people who previously held K1MEF.
- MEFFERT, MICHAEL DVAgranted 2025-04-29
All historical holders
Every license row we've seen with the callsign K1MEF, oldest first.
- MEFFERT, MICHAEL D VA1998-06-10 → cancelled 2005-03-08
- Falls, Michael E CT2025-12-10 active