Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4WIR callsign genealogy
Currently held by Chiu, Raymond M
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 KE4WIR's current licensee, walking backwards.
- Chiu, Raymond MNYgranted 2015-10-22cancelled 2015-11-10
Successor callsigns
Callsigns held now by people who previously held KE4WIR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4WIR, oldest first.
- CHIU, RAYMOND FL1997-11-04 → cancelled 2007-03-06
- Chiu, Raymond M FL2025-11-25 active