Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0NWS callsign genealogy
Currently held by Tyler, James B
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 KD0NWS's current licensee, walking backwards.
- Tyler, James BNEgranted 2021-02-24cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held KD0NWS.
- Engelbrecht, Steve WMOgranted 2021-03-12
All historical holders
Every license row we've seen with the callsign KD0NWS, oldest first.
- Engelbrecht, Steve W MO2011-03-15 → cancelled 2011-05-20
- Tyler, James B NE2021-04-23 active