Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SJM callsign genealogy
Currently held by McKee, Stephen 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 K0SJM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0SJM.
- McKee, StephenCOgranted 2021-11-13cancelled 2023-05-05