Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BUM callsign genealogy
Currently held by SEWARD, WARD S
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 K9BUM's current licensee, walking backwards.
- Dolce, Ryan AFLgranted 2023-11-14cancelled 2023-12-05
Successor callsigns
Callsigns held now by people who previously held K9BUM.
- Curry, Michael AILgranted 2021-01-29cancelled 2022-11-18
All historical holders
Every license row we've seen with the callsign K9BUM, oldest first.
- SEWARD, WARD S IL1999-03-25 → cancelled 2011-03-26
- Curry, Michael A IL2014-02-08 → cancelled 2021-01-29
- Dolce, Ryan A FL2023-12-05 active