Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0AZJ callsign genealogy
Currently held by Steck, William K
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 N0AZJ's current licensee, walking backwards.
- Steck, William KKSgranted 2022-07-19cancelled 2022-09-07
Successor callsigns
Callsigns held now by people who previously held N0AZJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0AZJ, oldest first.
- Steck, James K MO2018-02-06 → cancelled 2022-03-13
- Steck, William K KS2022-09-07 active