Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4TA callsign genealogy
Currently held by Armour III, Thomas F
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 WA4TA's current licensee, walking backwards.
- Eshbaugh Jr, Mark DFLgranted 2026-02-28cancelled 2026-05-02
Successor callsigns
Callsigns held now by people who previously held WA4TA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4TA, oldest first.
- Armour III, Thomas F GA2013-02-15 → cancelled 2025-02-19
- Eshbaugh Jr, Mark D FL2026-05-02 active