Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9BS callsign genealogy
Currently held by WETTIG, MATTHEW A
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 KD9BS's current licensee, walking backwards.
- WETTIG, MATTHEW AILgranted 2012-02-07cancelled 2014-05-13
Successor callsigns
Callsigns held now by people who previously held KD9BS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD9BS, oldest first.
- KLAES, MARVIN F IN2002-04-17 → cancelled 2014-04-18
- WETTIG, MATTHEW A IL2024-12-28 active