Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO0K callsign genealogy
Currently held by Spencer Jr, Michael 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 NO0K's current licensee, walking backwards.
- Spencer Jr, Michael JIAgranted 2007-08-22cancelled 2007-09-25
Successor callsigns
Callsigns held now by people who previously held NO0K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NO0K, oldest first.
- WENBERG, STEVEN H IA1994-09-14 → cancelled 2006-09-15
- Spencer Jr, Michael J NE2017-06-28 active