Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4MJS callsign genealogy
Currently held by RIVARD, GUY 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 KK4MJS'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 KK4MJS.
- RIVARD, GUY JNCgranted 2012-11-24cancelled 2024-12-04