Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3OSA callsign genealogy
Currently held by Masters Of Reception
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 KC3OSA'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 KC3OSA.
- K3MRXactiveMasters Of ReceptionPAgranted 2020-02-01