Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4YWJ callsign genealogy
Currently held by METRO, RICHARD J
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 KM4YWJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4YWJ.
- METRO, RICHARD JNYgranted 2017-02-14