Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3JS callsign genealogy
Currently held by SEPULL JR, JAMES H
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 W3JS's current licensee, walking backwards.
- SEPULL JR, JAMES HMDgranted 1999-07-21cancelled 2008-10-07
Successor callsigns
Callsigns held now by people who previously held W3JS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3JS, oldest first.
- Boonin, Nathaniel B PA2005-11-29 → cancelled 2006-09-17
- SEPULL JR, JAMES H MD2018-07-12 active