Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD1ZEL callsign genealogy
Currently held by Rader, Douglas 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 KD1ZEL's current licensee, walking backwards.
- Rader, Douglas WILgranted 2023-08-29cancelled 2024-05-21
Successor callsigns
Callsigns held now by people who previously held KD1ZEL.
No current licensee on record previously held this callsign.