Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5YIR callsign genealogy
Currently held by Thomason, Kenneth P
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 KC5YIR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC5YIR.
- Thomason, Kenneth PIAgranted 2006-09-21cancelled 2018-12-21