Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM6SDF callsign genealogy
Currently held by Cortez, Daniel M
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 KM6SDF's current licensee, walking backwards.
- Cortez, Daniel MCAgranted 2017-10-16cancelled 2018-04-17
Successor callsigns
Callsigns held now by people who previously held KM6SDF.
- Cortez, Daniel MIDgranted 2018-05-08