Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE2FFZ callsign genealogy
Currently held by Chang, Guillermo 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 KE2FFZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KE2FFZ.
- Chang, Guillermo JNYgranted 2025-03-18