Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0FSR callsign genealogy
Currently held by Roczynski, Franklin 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 W0FSR's current licensee, walking backwards.
- Roczynski, Franklin SCOgranted 2017-11-13cancelled 2024-01-03
Successor callsigns
Callsigns held now by people who previously held W0FSR.
No current licensee on record previously held this callsign.