Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB0DDX callsign genealogy
Currently held by JOSEPHS, HAROLD C
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 WB0DDX's current licensee, walking backwards.
- Wendt, Mark DKSgranted 2019-11-15cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held WB0DDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0DDX, oldest first.
- JOSEPHS, HAROLD C MN1993-02-09 → cancelled 2005-02-10
- Wendt, Mark D KS2019-12-06 active