Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6ZFS callsign genealogy
Currently held by Swarts, Francis
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 W6ZFS's current licensee, walking backwards.
- Swarts, FrancisCAgranted 2024-07-30cancelled 2024-08-20
Successor callsigns
Callsigns held now by people who previously held W6ZFS.
No current licensee on record previously held this callsign.