Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA8ZWO callsign genealogy
Currently held by Detling, Timothy T
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 WA8ZWO's current licensee, walking backwards.
- Detling, Timothy TOHgranted 2022-02-14cancelled 2022-03-08
Successor callsigns
Callsigns held now by people who previously held WA8ZWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA8ZWO, oldest first.
- DETLING, MILES W OH1998-01-09 → cancelled 2010-01-12
- Detling, Timothy T OH2022-03-08 active