Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD6RBK callsign genealogy
Currently held by HONG, MYUNG 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 KD6RBK's current licensee, walking backwards.
- Kimball, RalphCAgranted 2021-09-13cancelled 2021-10-01
Successor callsigns
Callsigns held now by people who previously held KD6RBK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6RBK, oldest first.
- HONG, MYUNG Y CA1993-01-12 → cancelled 2005-01-13
- Kimball, Ralph CA2021-10-01 active