Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1EOJ callsign genealogy
Currently held by Weiss, Frederick 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 N1EOJ's current licensee, walking backwards.
- Rinzema-Sweet, JoelMIgranted 2025-07-22cancelled 2025-09-12
Successor callsigns
Callsigns held now by people who previously held N1EOJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1EOJ, oldest first.
- Weiss, Frederick A RI2007-06-13 → cancelled 2019-09-10
- Rinzema-Sweet, Joel MI2025-09-12 active