Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ATM callsign genealogy
Currently held by ROSS, THOMAS A
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 W5ATM's current licensee, walking backwards.
- CLUBB, JAYSON ATXgranted 2018-06-12cancelled 2020-07-25
Successor callsigns
Callsigns held now by people who previously held W5ATM.
- HOVDEN, MARY AAZgranted 2017-02-17
All historical holders
Every license row we've seen with the callsign W5ATM, oldest first.
- ROSS, THOMAS A TX1998-01-14 → cancelled 2010-01-15
- HOVDEN, MARY A AZ2011-09-07 → cancelled 2017-02-17
- CLUBB, JAYSON A TX2020-07-25 active