Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8UTL callsign genealogy
Currently held by SWARTZ, FREDERICK J
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 W8UTL's current licensee, walking backwards.
- SWARTZ, FREDERICK JOHgranted 2015-02-12cancelled 2024-04-26
Successor callsigns
Callsigns held now by people who previously held W8UTL.
No current licensee on record previously held this callsign.