Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DWH callsign genealogy
Currently held by HOUSTON, DOUGLAS 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 W4DWH's current licensee, walking backwards.
- KF4RHMcancelledcancelled 1998-10-05
Successor callsigns
Callsigns held now by people who previously held W4DWH.
No current licensee on record previously held this callsign.