Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR1COS callsign genealogy
Currently held by Fernandez, Reinaldo
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 KR1COS's current licensee, walking backwards.
- Fernandez, ReinaldoNYgranted 2022-09-22cancelled 2022-10-12
Successor callsigns
Callsigns held now by people who previously held KR1COS.
No current licensee on record previously held this callsign.