Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF2ICU callsign genealogy
Currently held by CHIRDO, CHRISTOPHER J
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 KF2ICU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF2ICU.
No current licensee on record previously held this callsign.