Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4MM callsign genealogy
Currently held by FUQUA, WILLIAM K
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 KD4MM's current licensee, walking backwards.
- Magnotti, Michael PVAgranted 2019-06-25cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held KD4MM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4MM, oldest first.
- FUQUA, WILLIAM K TN2007-12-11 → cancelled 2020-01-01
- Magnotti, Michael P VA2020-12-29 active