Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4IJO callsign genealogy
Currently held by Vazquez Cruz, Kevin A
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 KR4IJO'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 KR4IJO.
- Vazquez Cruz, Kevin AGAgranted 2025-12-17