Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3DHO callsign genealogy
Currently held by MILLER, JOHN J
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 W3DHO's current licensee, walking backwards.
- MILLER, JOHN JPAgranted 1998-09-10cancelled 1999-12-04
Successor callsigns
Callsigns held now by people who previously held W3DHO.
No current licensee on record previously held this callsign.