Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8TTT callsign genealogy
Currently held by Wynn, Max
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 N8TTT's current licensee, walking backwards.
- MAGNUSSON, JOHNUTgranted 2024-04-30cancelled 2024-05-18
Successor callsigns
Callsigns held now by people who previously held N8TTT.
- GROCKI, PHILIP SMIgranted 2022-03-12
All historical holders
Every license row we've seen with the callsign N8TTT, oldest first.
- COCHRAN, ELLSWORTH M OH1992-05-26 → cancelled 2004-05-27
- Wynn, Max NV2007-12-18 → cancelled 2019-12-19
- GROCKI, PHILIP S MI2020-04-14 → cancelled 2022-03-12
- MAGNUSSON, JOHN UT2024-05-18 active