Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE4REF callsign genealogy
Currently held by CRUZ, IRIS
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 KE4REF's current licensee, walking backwards.
- FOWLER, ROBERT ESCgranted 2016-09-12cancelled 2016-10-04
Successor callsigns
Callsigns held now by people who previously held KE4REF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4REF, oldest first.
- CRUZ, IRIS FL1994-12-21 → cancelled 2006-09-23
- FOWLER, ROBERT E SC2016-10-04 active