Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WD4OOX callsign genealogy
Currently held by COLE JR, HAROLD
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 WD4OOX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WD4OOX.
- COLE JR, HAROLDPAgranted 2013-07-12cancelled 2025-09-09