Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0DCB callsign genealogy
Currently held by Chen-Becker, Derek
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 KD0DCB's current licensee, walking backwards.
- Chen-Becker, DerekCOgranted 2021-04-27cancelled 2021-05-15
Successor callsigns
Callsigns held now by people who previously held KD0DCB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0DCB, oldest first.
- Clifford, Elizabeth M MN2008-02-27 → cancelled 2020-02-28
- Chen-Becker, Derek CO2021-05-15 active