Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IRI callsign genealogy
Currently held by Crocker, Richard F
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 K4IRI's current licensee, walking backwards.
- Crocker, Richard FFLgranted 2020-09-16cancelled 2024-04-12
Successor callsigns
Callsigns held now by people who previously held K4IRI.
- BURKE, MARSHA CFLgranted 2019-03-29
All historical holders
Every license row we've seen with the callsign K4IRI, oldest first.
- BURKE, MARSHA C FL2008-04-08 → cancelled 2009-04-03
- Crocker, Richard F FL2024-04-12 active