Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB3IRO callsign genealogy
Currently held by FEHNEL, DAVID M
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 WB3IRO's current licensee, walking backwards.
- FEHNEL, DAVID MCTgranted 2012-02-24cancelled 2012-03-13
Successor callsigns
Callsigns held now by people who previously held WB3IRO.
- FEHNEL, DAVID MCTgranted 2016-07-19cancelled 2017-05-26