Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MPD callsign genealogy
Currently held by DEBIDDLE, STEPHEN G
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 W6MPD's current licensee, walking backwards.
- DEBIDDLE, STEPHEN GWAgranted 1997-11-19cancelled 2006-10-03
Successor callsigns
Callsigns held now by people who previously held W6MPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MPD, oldest first.
- DE BIDDLE, HARRY L OR1999-06-16 → cancelled 2006-05-24
- DEBIDDLE, STEPHEN G WA2026-07-25 active