Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8ZED callsign genealogy
Currently held by ROSIAK, FREDERICK 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 N8ZED's current licensee, walking backwards.
- RUDDY, BRIAN JMIgranted 2012-01-11cancelled 2017-07-28
Successor callsigns
Callsigns held now by people who previously held N8ZED.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8ZED, oldest first.
- ROSIAK, FREDERICK J MI1993-06-08 → cancelled 2005-06-09
- RUDDY, BRIAN J MI2017-07-28 active