Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD8GUW callsign genealogy
Currently held by TOTERHI, JOHN V
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 KD8GUW's current licensee, walking backwards.
- TOTERHI, JOHN VOHgranted 2026-08-04cancelled 2026-08-22
Successor callsigns
Callsigns held now by people who previously held KD8GUW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD8GUW, oldest first.
- TOTERHI, JOHN V OH2007-08-08 → cancelled 2019-08-09
- Toterhi, John V OH2026-08-22 active