Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4RSF callsign genealogy
Currently held by CZAIKOWSKI II, STEVEN P
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 N4RSF'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 N4RSF.
- CZAIKOWSKI II, STEVEN PSCgranted 2022-04-19