Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM1PHA callsign genealogy
Currently held by Chhoeun, Pha
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 KM1PHA's current licensee, walking backwards.
- Chhoeun, PhaCAgranted 2018-05-14cancelled 2018-06-23
Successor callsigns
Callsigns held now by people who previously held KM1PHA.
No current licensee on record previously held this callsign.