Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5OL callsign genealogy
Currently held by ARNOLD III, WILLIAM M
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 KC5OL's current licensee, walking backwards.
- WB5POGno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC5OL.
- ARNOLD III, WILLIAM MTXgranted 2024-04-24