Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1FAV callsign genealogy
Currently held by Olszewski, 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 KB1FAV's current licensee, walking backwards.
- Olszewski, Robert SMAgranted 2000-04-13cancelled 2000-04-15
Successor callsigns
Callsigns held now by people who previously held KB1FAV.
- Olszewski, Robert SMAgranted 2021-04-08