Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TTI callsign genealogy
Currently held by SHUBERT, WILLIAM 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 N4TTI's current licensee, walking backwards.
- WEASLER, STEPHEN PMDgranted 2020-07-23cancelled 2020-12-11
Successor callsigns
Callsigns held now by people who previously held N4TTI.
All historical holders
Every license row we've seen with the callsign N4TTI, oldest first.
- SHUBERT, WILLIAM C FL1998-05-21 → cancelled 2010-05-22
- FLYNN, FRANCIS M TN2016-09-27 → cancelled 2018-03-02
- WEASLER, STEPHEN P MD2020-12-11 → cancelled 2022-03-25