Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4MDM callsign genealogy
Currently held by Minella, Marc 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 KC4MDM's current licensee, walking backwards.
- Minella, Marc DMAgranted 2020-12-09cancelled 2021-01-09
Successor callsigns
Callsigns held now by people who previously held KC4MDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4MDM, oldest first.
- DUARTE, JUSTINA FL1999-07-22 → cancelled 2011-07-23
- Minella, Marc D MA2021-01-09 active