Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9TH callsign genealogy
Currently held by WASSER, NORMAN 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 KB9TH's current licensee, walking backwards.
- Hughes, Michael TINgranted 2026-02-26cancelled 2026-05-19
Successor callsigns
Callsigns held now by people who previously held KB9TH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9TH, oldest first.
- WASSER, NORMAN J IL1995-08-30 → cancelled 2007-08-31
- Hughes, Michael T IN2026-05-19 active