Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FCS callsign genealogy
Currently held by SAWICKI, FRANK C
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 W1FCS's current licensee, walking backwards.
- SAWICKI, FRANK CCTgranted 2016-11-29cancelled 2025-09-05
Successor callsigns
Callsigns held now by people who previously held W1FCS.
No current licensee on record previously held this callsign.