Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8TCL callsign genealogy
Currently held by COOK, AMY K
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 N8TCL's current licensee, walking backwards.
- Logsdon Jr, Terence COHgranted 2024-05-22cancelled 2024-06-15
Successor callsigns
Callsigns held now by people who previously held N8TCL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8TCL, oldest first.
- COOK, AMY K OH1992-04-14 → cancelled 2004-04-15
- Logsdon Jr, Terence C OH2024-06-15 active