Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K7TJO callsign genealogy
Currently held by OLNEY, 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 K7TJO's current licensee, walking backwards.
- OLNEY, THOMAS JWAgranted 2004-02-27cancelled 2004-03-27
Successor callsigns
Callsigns held now by people who previously held K7TJO.
No current licensee on record previously held this callsign.