Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB8TCU callsign genealogy
Currently held by WINTERROD, FRANK C
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 WB8TCU's current licensee, walking backwards.
- WINTERROD, JOHN DOHgranted 2001-12-14cancelled 2009-05-02
Successor callsigns
Callsigns held now by people who previously held WB8TCU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB8TCU, oldest first.
- WINTERROD, FRANK C OH2000-10-11 → cancelled 2007-12-03
- WINTERROD, JOHN D OH2019-03-05 active