Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8TLK callsign genealogy
Currently held by COOK, DAVID S
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 N8TLK's current licensee, walking backwards.
- Iden, Terri LOHgranted 2006-05-16cancelled 2006-06-06
Successor callsigns
Callsigns held now by people who previously held N8TLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8TLK, oldest first.
- COOK, DAVID S MI1992-04-28 → cancelled 2004-04-29
- Kovalchik, Terri L OH2026-04-14 active