Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1WDR callsign genealogy
Currently held by Rosenfield PhD, Wayne 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 K1WDR's current licensee, walking backwards.
- Rosenfield PhD, Wayne DCTgranted 2006-04-07cancelled 2008-08-08
Successor callsigns
Callsigns held now by people who previously held K1WDR.
No current licensee on record previously held this callsign.