Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7JSX callsign genealogy
Currently held by TOMLIN, SHARLEEN N
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 N7JSX's current licensee, walking backwards.
- Spencer, Joel CUTgranted 2018-10-11cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held N7JSX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7JSX, oldest first.
- TOMLIN, SHARLEEN N TX1999-02-24 → cancelled 2011-02-25
- Spencer, Joel C UT2018-11-02 active