Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6RS callsign genealogy
Currently held by Sims, Robert J
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 KB6RS's current licensee, walking backwards.
- Sims, Robert JCAgranted 2019-08-19cancelled 2019-12-03
Successor callsigns
Callsigns held now by people who previously held KB6RS.
No current licensee on record previously held this callsign.