Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TJO callsign genealogy
Currently held by Oman, Thomas J
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 W9TJO's current licensee, walking backwards.
- Oman, Thomas JWIgranted 2016-12-16cancelled 2017-01-04
Successor callsigns
Callsigns held now by people who previously held W9TJO.
No current licensee on record previously held this callsign.