Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4RPY callsign genealogy
Currently held by TORRES, Frank
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 KO4RPY's current licensee, walking backwards.
- TORRES, FrankFLgranted 2025-05-13
Successor callsigns
Callsigns held now by people who previously held KO4RPY.
- TORRES, FrankFLgranted 2025-05-13