Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS6RET callsign genealogy
Currently held by Marrufo, Eric
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 KS6RET's current licensee, walking backwards.
- Marrufo, EricCAgranted 2024-10-30cancelled 2024-12-03
Successor callsigns
Callsigns held now by people who previously held KS6RET.
No current licensee on record previously held this callsign.