Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0DMM callsign genealogy
Currently held by DECKER, JOSEPH 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 KD0DMM's current licensee, walking backwards.
- Bickal, Douglas ENEgranted 2021-02-24cancelled 2021-05-14
Successor callsigns
Callsigns held now by people who previously held KD0DMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0DMM, oldest first.
- DECKER, JOSEPH D MO2008-03-28 → cancelled 2020-03-31
- Bickal, Douglas E NE2021-05-14 active