Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK6DYC callsign genealogy
Currently held by CHEN, DAVID Y
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 KK6DYC's current licensee, walking backwards.
- CHEN, DAVID YCAgranted 2018-10-10cancelled 2018-11-16
Successor callsigns
Callsigns held now by people who previously held KK6DYC.
- Keeter, Gary MARgranted 2014-01-14cancelled 2026-03-06
All historical holders
Every license row we've seen with the callsign KK6DYC, oldest first.
- Keeter, Gary M CA2013-04-30 → cancelled 2014-01-14
- CHEN, DAVID Y CA2018-11-16 active