Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7STC callsign genealogy
Currently held by CLARK, SHARON T
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 W7STC's current licensee, walking backwards.
- CLARK, SHARON TAZgranted 2019-10-21cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held W7STC.
- COLEMAN, TODDIDgranted 2023-05-09
All historical holders
Every license row we've seen with the callsign W7STC, oldest first.
- COLEMAN, TODD ID2004-04-02 → cancelled 2013-06-18
- CLARK, SHARON T AZ2019-11-13 active