Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7MRJ callsign genealogy
Currently held by KEMPAIYA, NARAYAN
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 KC7MRJ's current licensee, walking backwards.
- JOHNSON, MATTHEW RUTgranted 2025-07-29cancelled 2025-08-15
Successor callsigns
Callsigns held now by people who previously held KC7MRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7MRJ, oldest first.
- KEMPAIYA, NARAYAN OR1995-08-30 → cancelled 2007-08-14
- JOHNSON, MATTHEW R UT2025-08-15 active