Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD1NL callsign genealogy
Currently held by ROY, WILLIAM S
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 KD1NL's current licensee, walking backwards.
- N1KJHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD1NL.
- ROY, WILLIAM SCOgranted 2009-06-26cancelled 2010-02-27