Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0HIO callsign genealogy
Currently held by Dittmar, George 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 W0HIO's current licensee, walking backwards.
- Dittmar, George TOHgranted 2001-01-22cancelled 2001-02-13
Successor callsigns
Callsigns held now by people who previously held W0HIO.
No current licensee on record previously held this callsign.