Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN1DW callsign genealogy
Currently held by Wurdeman, David A
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 KN1DW's current licensee, walking backwards.
- Wurdeman, David ANEgranted 2013-09-12cancelled 2014-04-04
Successor callsigns
Callsigns held now by people who previously held KN1DW.
No current licensee on record previously held this callsign.