Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8ZI callsign genealogy
Currently held by CIMA, MARK A
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 N8ZI's current licensee, walking backwards.
- TINCKNELL, THOMAS EMIgranted 2005-01-07cancelled 2006-09-26
Successor callsigns
Callsigns held now by people who previously held N8ZI.
- CIMA, MARK AOHgranted 2024-05-11
All historical holders
Every license row we've seen with the callsign N8ZI, oldest first.
- CIMA, MARK A OH2000-03-31 → cancelled 2004-05-21
- TINCKNELL, THOMAS E MI2026-08-19 active