Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SUL callsign genealogy
Currently held by Sullivan, Sean L
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 W3SUL's current licensee, walking backwards.
- Sullivan, Sean LWAgranted 2018-10-22cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W3SUL.
No current licensee on record previously held this callsign.