Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR6DF callsign genealogy
Currently held by Castrejon, Rene S
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 KR6DF's current licensee, walking backwards.
- CASTREJON, RENE SCAgranted 1999-05-03cancelled 1999-11-16
Successor callsigns
Callsigns held now by people who previously held KR6DF.
No current licensee on record previously held this callsign.