Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5IOU callsign genealogy
Currently held by DOEPP, WILLIAM C
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 N5IOU's current licensee, walking backwards.
- DOEPP, WILLIAM CILgranted 1996-08-28cancelled 2004-04-02
Successor callsigns
Callsigns held now by people who previously held N5IOU.
No current licensee on record previously held this callsign.