Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0FDU callsign genealogy
Currently held by KEENEY, EDWIN A
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 WD0FDU's current licensee, walking backwards.
- Keeney, Douglas EMOgranted 1998-11-23cancelled 2005-02-26
Successor callsigns
Callsigns held now by people who previously held WD0FDU.
- Keeney, Douglas EMOgranted 2024-04-30
All historical holders
Every license row we've seen with the callsign WD0FDU, oldest first.
- KEENEY, EDWIN A MO1997-05-15 → cancelled 2000-11-13
- Keeney, Douglas E MO2014-12-02 → cancelled 2024-04-30