Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN6SWF callsign genealogy
Currently held by Lerma Martinez, Mario
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 KN6SWF'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 KN6SWF.
- Lerma Martinez, MarioCAgranted 2022-02-22cancelled 2022-05-06