Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4YQS callsign genealogy
Currently held by SWARTZ, WILLIAM V
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 W4YQS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4YQS.
- SWARTZ, WILLIAM VFLgranted 2006-04-04cancelled 2016-03-01