Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1SBW callsign genealogy
Currently held by Kleinschmidt Jr, 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 KA1SBW's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KA1SBW.
- Kleinschmidt Jr, Robert SMEgranted 2024-08-09