Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI6VTU callsign genealogy
Currently held by Montoya, Guillermo J
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 KI6VTU'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 KI6VTU.
- Montoya, Guillermo JCAgranted 2009-02-10cancelled 2009-07-17