Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR4MJS callsign genealogy
Currently held by Stella, Mark 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 KR4MJS's current licensee, walking backwards.
- Stella, Mark JFLgranted 2020-01-21cancelled 2020-02-14
Successor callsigns
Callsigns held now by people who previously held KR4MJS.
No current licensee on record previously held this callsign.