Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TNA callsign genealogy
Currently held by Kostura, Paul A
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 W7TNA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7TNA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7TNA, oldest first.
- STURKEY JR, CHARLES M WA1994-04-26 → cancelled 2006-04-27
- Kostura, Paul A AZ2015-10-31 active