Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN7RPM callsign genealogy
Currently held by Chiu, Yu-jiunn
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 KN7RPM's current licensee, walking backwards.
- Chiu, Yu-jiunnORgranted 2017-11-07cancelled 2017-12-12
Successor callsigns
Callsigns held now by people who previously held KN7RPM.
- Chiu, Yu-jiunnORgranted 2019-03-22