Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0TUB callsign genealogy
Currently held by ARMAGOST, TIMOTHY 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 WB0TUB's current licensee, walking backwards.
- Armagost, James CTXgranted 2020-12-04cancelled 2022-02-15
Successor callsigns
Callsigns held now by people who previously held WB0TUB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0TUB, oldest first.
- ARMAGOST, TIMOTHY C CO2017-12-21 → cancelled 2020-02-25
- Armagost, James C TX2022-02-15 active