Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CBP callsign genealogy
Currently held by Choi, Jaehyuk
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 W4CBP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4CBP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CBP, oldest first.
- PLYLER JR, OTHO F NC2004-05-18 → cancelled 2016-06-01
- Choi, Jaehyuk VA2017-09-02 active