Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KB9FTM callsign genealogy
Currently held by SZYMANSKI, DWAYNE M
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 KB9FTM's current licensee, walking backwards.
- Szymanski, Timothy MILgranted 2019-04-04cancelled 2026-10-10
Successor callsigns
Callsigns held now by people who previously held KB9FTM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9FTM, oldest first.
- SZYMANSKI, DWAYNE M IL2010-10-15 → cancelled 2022-12-06
- Szymanski, Timothy M IL2026-10-10 active