Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4SAE callsign genealogy
Currently held by TORRES, OSVALDO
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 KO4SAE's current licensee, walking backwards.
- Torres, OsvaldoNCgranted 2020-06-26cancelled 2020-09-15
Successor callsigns
Callsigns held now by people who previously held KO4SAE.
- TORRES, OSVALDONCgranted 2021-04-02