Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD6MDU callsign genealogy
Currently held by Mancebo, Eugene G
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 KD6MDU's current licensee, walking backwards.
- Mancebo, Eugene GCAgranted 2021-05-04cancelled 2022-04-01
Successor callsigns
Callsigns held now by people who previously held KD6MDU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6MDU, oldest first.
- MANCEBO, EUGENE G CA1992-07-21 → cancelled 2004-07-22
- Mancebo, Eugene G CA2022-04-01 active