Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4RIJ callsign genealogy
Currently held by WANG, PHILIP TZANN YEU
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 WP4RIJ'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 WP4RIJ.
- WANG, PHILIP TZANN YEUPRgranted 2019-11-30