Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7TRH callsign genealogy
Currently held by BALL, MALVIN C
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 W7TRH's current licensee, walking backwards.
- HARDY, TIMOTHY RWAgranted 1996-09-19cancelled 2002-05-17
Successor callsigns
Callsigns held now by people who previously held W7TRH.
- HARDY, TIMOTHY RWAgranted 2021-06-26
All historical holders
Every license row we've seen with the callsign W7TRH, oldest first.
- BALL, MALVIN C OR1990-02-20 → cancelled 2002-03-07
- HARDY, TIMOTHY R WA2002-05-17 → cancelled 2011-08-02