Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HRT callsign genealogy
Currently held by CLARK, JAMES J
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 W4HRT's current licensee, walking backwards.
- THURSTON, TAYLOR ATNgranted 2017-01-10cancelled 2020-05-23
Successor callsigns
Callsigns held now by people who previously held W4HRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4HRT, oldest first.
- CLARK, JAMES J TN2009-03-25 → cancelled 2020-01-08
- THURSTON, TAYLOR A TN2020-05-23 active