Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CAI callsign genealogy
Currently held by Irby, Charles A
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 W4CAI's current licensee, walking backwards.
- Irby, Charles AVAgranted 2021-09-20cancelled 2021-11-16
Successor callsigns
Callsigns held now by people who previously held W4CAI.
No current licensee on record previously held this callsign.