Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TBS callsign genealogy
Currently held by ODEHNAL, DONALD
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 W9TBS's current licensee, walking backwards.
- SCHLEGEL, NEIL AWIgranted 2010-02-13cancelled 2017-06-09
Successor callsigns
Callsigns held now by people who previously held W9TBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9TBS, oldest first.
- ODEHNAL, DONALD IL1993-12-07 → cancelled 2005-12-08
- SCHLEGEL, NEIL A WI2017-06-09 active