Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1TJO callsign genealogy
Currently held by Osborn, Tyler 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 N1TJO's current licensee, walking backwards.
- Osborn, Tyler JILgranted 2020-04-10cancelled 2020-05-05
Successor callsigns
Callsigns held now by people who previously held N1TJO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1TJO, oldest first.
- HOFFMAN, THOMAS J CT1994-10-26 → cancelled 2006-10-27
- Osborn, Tyler J IL2020-05-05 active