Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5NFA callsign genealogy
Currently held by THOMASON, BILLY D
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 KC5NFA's current licensee, walking backwards.
- THOMASON, BILLY DTXgranted 2015-01-07cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held KC5NFA.
All historical holders
Every license row we've seen with the callsign KC5NFA, oldest first.
- THOMASON, BILLY D TX2015-01-07 → cancelled 2019-05-18
- THOMASON, BILLY D TX2019-06-11 → cancelled 2019-11-23