Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7OX callsign genealogy
Currently held by RIDDELL, RICHARD B
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 N7OX's current licensee, walking backwards.
- DINWIDDIE JR, DARYL DWAgranted 2014-06-04cancelled 2021-11-30
Successor callsigns
Callsigns held now by people who previously held N7OX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7OX, oldest first.
- RIDDELL, RICHARD B WA2003-08-22 → cancelled 2008-07-09
- Hunter, Joseph H OR2010-07-30 → cancelled 2011-04-09
- Fredrickson, Marvin D WA2013-04-30 → cancelled 2019-11-11
- DINWIDDIE JR, DARYL D WA2021-11-30 active