Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8TCZ callsign genealogy
Currently held by Wilken, Marvin J
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 N8TCZ's current licensee, walking backwards.
- Wilcox, James MMIgranted 2021-05-17cancelled 2021-06-22
Successor callsigns
Callsigns held now by people who previously held N8TCZ.
- Wilken, Marvin JGAgranted 2009-06-09cancelled 2009-08-04
All historical holders
Every license row we've seen with the callsign N8TCZ, oldest first.
- Wilken, Marvin J GA2002-02-08 → cancelled 2009-06-09
- Wilcox, James M MI2021-06-22 active