Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3DNR callsign genealogy
Currently held by SCHROEDER, BRENT 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 W3DNR's current licensee, walking backwards.
- SCHROEDER, BRENT FMDgranted 2017-03-04cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held W3DNR.
No current licensee on record previously held this callsign.