Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IRS callsign genealogy
Currently held by Bird, Richard W
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 K0IRS's current licensee, walking backwards.
- WILKINSON, CECIL ACOgranted 2015-04-22cancelled 2019-04-23
Successor callsigns
Callsigns held now by people who previously held K0IRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IRS, oldest first.
- Bird, Richard W CO2005-12-21 → cancelled 2017-12-22
- Wilkinson 235, Cecil A CO2019-04-23 active