Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JAP callsign genealogy
Currently held by Pham, Yasuyuki N
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 K0JAP's current licensee, walking backwards.
- Pham, Yasuyuki NCAgranted 2015-10-23cancelled 2015-11-10
Successor callsigns
Callsigns held now by people who previously held K0JAP.
No current licensee on record previously held this callsign.