Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS3U callsign genealogy
Currently held by BARRETT, CYNTHIA 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 WS3U's current licensee, walking backwards.
- ZAPPILE, CHRISTOPHER JNJgranted 2005-09-14cancelled 2015-02-03
Successor callsigns
Callsigns held now by people who previously held WS3U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WS3U, oldest first.
- BARRETT, CYNTHIA S FL2002-10-15 → cancelled 2015-01-13
- ZAPPILE, CHRISTOPHER J NJ2025-02-08 active