Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0WWO callsign genealogy
Currently held by Harris Jr, John W
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 KD0WWO'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 KD0WWO.
- Harris Jr, John WCOgranted 2013-11-13cancelled 2026-03-07