Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9KD callsign genealogy
Currently held by White, Roger J
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 KD9KD's current licensee, walking backwards.
- White, Roger JOHgranted 2009-02-12cancelled 2009-11-28
Successor callsigns
Callsigns held now by people who previously held KD9KD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD9KD, oldest first.
- KERST, DONALD W WI1988-05-03 → cancelled 2000-05-04
- White, Roger J OH2019-09-24 active