Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ENZ callsign genealogy
Currently held by OTNES 327, JOHN 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 W4ENZ's current licensee, walking backwards.
- Otnes, John DFLgranted 2010-04-20cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held W4ENZ.
No current licensee on record previously held this callsign.