Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB3DDF callsign genealogy
Currently held by WIRTH JR, CHARLES F
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 WB3DDF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WB3DDF.
- WIRTH JR, CHARLES FMDgranted 2018-11-20