Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM6QOS callsign genealogy
Currently held by STEIN, AARON
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 KM6QOS'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 KM6QOS.
- STEIN, AARON JAZgranted 2020-10-09