Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TRH callsign genealogy
Currently held by Hill, Thomas R
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 W9TRH's current licensee, walking backwards.
- Hill, Thomas RORgranted 2011-07-02cancelled 2012-06-26
Successor callsigns
Callsigns held now by people who previously held W9TRH.
- Hill, Thomas RORgranted 2011-07-02cancelled 2012-06-26
All historical holders
Every license row we've seen with the callsign W9TRH, oldest first.
- Hill, Thomas R OR2002-05-28 → cancelled 2011-07-02
- Hill, Thomas R OR2023-10-26 active