Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK5SDS callsign genealogy
Currently held by Serio, Samuel D
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 KK5SDS's current licensee, walking backwards.
- Serio, Samuel DARgranted 2022-07-12cancelled 2023-02-17
Successor callsigns
Callsigns held now by people who previously held KK5SDS.
- Serio, Samuel DARgranted 2025-04-22