Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3NU callsign genealogy
Currently held by RING JR, CHARLES E
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 W3NU's current licensee, walking backwards.
- WURST, FRANKPAgranted 2017-06-27cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held W3NU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3NU, oldest first.
- RING JR, CHARLES E OH2015-09-16 → cancelled 2018-06-06
- WURST, FRANK PA2020-06-30 active