Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DW callsign genealogy
Currently held by WASHBURN, DAVID W
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 W9DW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9DW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9DW, oldest first.
- WASHBURN, DAVID W IN1998-12-30 → cancelled 2003-10-04
- Weiss, Diana L WI2018-05-10 active