Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4DR callsign genealogy
Currently held by ROTH, DAVID 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 WB4DR's current licensee, walking backwards.
- ROTH, DAVID CVAgranted 2012-02-29cancelled 2021-08-03
Successor callsigns
Callsigns held now by people who previously held WB4DR.
No current licensee on record previously held this callsign.