Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TRA callsign genealogy
Currently held by HARMON, HERMAN V
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 K4TRA's current licensee, walking backwards.
- Stewart III, Tracy MNCgranted 2011-05-26cancelled 2016-04-02
Successor callsigns
Callsigns held now by people who previously held K4TRA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TRA, oldest first.
- HARMON, HERMAN V KY1996-11-05 → cancelled 2008-11-06
- STEWART III, TRACY M NC2026-01-21 active