Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MAD callsign genealogy
Currently held by CHADEK, EDWARD J
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 K6MAD's current licensee, walking backwards.
- Duran, Michael ACAgranted 2017-09-14cancelled 2019-03-23
Successor callsigns
Callsigns held now by people who previously held K6MAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MAD, oldest first.
- CHADEK, EDWARD J CA2006-03-16 → cancelled 2018-05-03
- Duran, Michael A CA2019-03-23 active