Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0SBP callsign genealogy
Currently held by Arreola, Emilio
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 KA0SBP's current licensee, walking backwards.
- Arreola, EmilioMNgranted 2024-03-21cancelled 2024-04-23
Successor callsigns
Callsigns held now by people who previously held KA0SBP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0SBP, oldest first.
- BOTTORFF, BRUCE D IA2005-08-26 → cancelled 2017-08-29
- Arreola, Emilio MN2024-04-23 active