Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WDC callsign genealogy
Currently held by Clawson, William D
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 W1WDC's current licensee, walking backwards.
- Clawson, William DALgranted 2017-04-05cancelled 2017-05-13
Successor callsigns
Callsigns held now by people who previously held W1WDC.
- Clawson, William DALgranted 2022-10-18