Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5FKO callsign genealogy
Currently held by Koehler, Fred G
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 W5FKO's current licensee, walking backwards.
- Koehler, Fred GTXgranted 2020-06-29cancelled 2021-08-13
Successor callsigns
Callsigns held now by people who previously held W5FKO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5FKO, oldest first.
- LUCIA, ANTHONY J TX1994-05-24 → cancelled 2006-05-25
- Koehler, Fred G TX2021-08-13 active