Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7JSO callsign genealogy
Currently held by DILLON, JESSE B
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 W7JSO's current licensee, walking backwards.
- SOUTH, JEREMY AUTgranted 2020-07-28cancelled 2022-02-15
Successor callsigns
Callsigns held now by people who previously held W7JSO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JSO, oldest first.
- DILLON, JESSE B OR1998-01-23 → cancelled 2010-01-26
- SOUTH, JEREMY A UT2022-02-15 active