Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0IJU callsign genealogy
Currently held by Stevens, Mark D
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 N0IJU's current licensee, walking backwards.
- Stevens, Mark DMNgranted 2022-01-28cancelled 2024-06-25
Successor callsigns
Callsigns held now by people who previously held N0IJU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0IJU, oldest first.
- STEVENS, MARK D IA1988-07-05 → cancelled 2000-07-06
- Stevens, Mark D MN2024-06-25 active