Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CEI callsign genealogy
Currently held by Pang, Shuofeng
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 W6CEI's current licensee, walking backwards.
- Pang, ShuofengCAgranted 2018-11-27cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held W6CEI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CEI, oldest first.
- NAKKEN SR, JOHN R CA1987-12-22 → cancelled 1999-12-23
- Isham, Carroll E CA2001-07-17 → cancelled 2013-07-18
- Pang, Shuofeng CA2018-12-18 active