Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RCS callsign genealogy
Currently held by Sevilla, Raquel C
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 K1RCS's current licensee, walking backwards.
- Sevilla, Raquel CCAgranted 2024-03-07cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held K1RCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RCS, oldest first.
- Sullenberger, Robert C FL2009-06-02 → cancelled 2021-06-03
- Sevilla, Raquel C CA2024-05-14 active