Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8TBT callsign genealogy
Currently held by Case, James L
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 N8TBT's current licensee, walking backwards.
- Case, James LOHgranted 2015-03-03cancelled 2016-08-02
Successor callsigns
Callsigns held now by people who previously held N8TBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8TBT, oldest first.
- CASE, JAMES L OH1992-04-14 → cancelled 2004-04-15
- Case, James L OH2016-08-02 active