Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK0BSA callsign genealogy
Currently held by NELSON, ROBERT S
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 KK0BSA's current licensee, walking backwards.
- NELSON, ROBERT SGAgranted 2011-08-08cancelled 2012-01-06
Successor callsigns
Callsigns held now by people who previously held KK0BSA.
No current licensee on record previously held this callsign.