Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0P callsign genealogy
Currently held by Morgan, Harold P
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 WD0P's current licensee, walking backwards.
- Ballbach, Alexander EMNgranted 2023-06-24cancelled 2025-05-20
Successor callsigns
Callsigns held now by people who previously held WD0P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD0P, oldest first.
- Morgan, Harold P MO2013-01-31 → cancelled 2025-04-29
- Ballbach, Alexander E MN2025-05-20 active