Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0DXD callsign genealogy
Currently held by Harpham, Allen D
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 WD0DXD's current licensee, walking backwards.
- Harpham, Allen DNEgranted 2008-03-11cancelled 2016-04-26
Successor callsigns
Callsigns held now by people who previously held WD0DXD.
No current licensee on record previously held this callsign.