Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TKX callsign genealogy
Currently held by THOMAS, JOHN 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 W7TKX's current licensee, walking backwards.
- Thomas, John AORgranted 2015-05-28cancelled 2015-06-16
Successor callsigns
Callsigns held now by people who previously held W7TKX.
No current licensee on record previously held this callsign.