Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4MRC callsign genealogy
Currently held by Cantlin, John G
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 KK4MRC's current licensee, walking backwards.
- Cantlin, John GALgranted 2012-07-27cancelled 2012-08-17
Successor callsigns
Callsigns held now by people who previously held KK4MRC.
No current licensee on record previously held this callsign.