Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM0AGA callsign genealogy
Currently held by MADDOCK III, JOHN L
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 KM0AGA's current licensee, walking backwards.
- MADDOCK III, JOHN LIAgranted 2016-06-14cancelled 2019-05-18
Successor callsigns
Callsigns held now by people who previously held KM0AGA.
No current licensee on record previously held this callsign.