Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TST callsign genealogy
Currently held by TIDWELL, TRAVIS S
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 N4TST's current licensee, walking backwards.
- TIDWELL, TRAVIS SALgranted 2021-08-11cancelled 2021-10-02
Successor callsigns
Callsigns held now by people who previously held N4TST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TST, oldest first.
- MILLS, RANDY B NC1991-06-11 → cancelled 2003-06-12
- TIDWELL, TRAVIS S AL2021-10-02 active