Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF5C callsign genealogy
Currently held by Koelling, Terry L
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 WF5C's current licensee, walking backwards.
- Koelling, Terry LCOgranted 2025-04-26
Successor callsigns
Callsigns held now by people who previously held WF5C.
All historical holders
Every license row we've seen with the callsign WF5C, oldest first.
- VAN HORN, JAMES J TX2013-05-22 → cancelled 2022-05-27
- Koelling, Terry L CO2024-06-15 → cancelled 2025-04-26