Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3CDB callsign genealogy
Currently held by Brown, Chris
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 W3CDB's current licensee, walking backwards.
- Brown, ChrisWAgranted 2022-09-08cancelled 2022-10-07
Successor callsigns
Callsigns held now by people who previously held W3CDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3CDB, oldest first.
- WASHBURN, ROBERT M PA2005-11-01 → cancelled 2018-01-30
- Brown, Chris WA2022-10-07 active