Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6ZKM callsign genealogy
Currently held by Rigoroso, Ramon R
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 KM6ZKM's current licensee, walking backwards.
- Rigoroso, Ramon RCAgranted 2019-01-31cancelled 2019-02-02
Successor callsigns
Callsigns held now by people who previously held KM6ZKM.
No current licensee on record previously held this callsign.