Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE9DFZ callsign genealogy
Currently held by Nightenhelser, Holland
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 KE9DFZ's current licensee, walking backwards.
- Nightenhelser, HollandINgranted 2024-10-17cancelled 2025-05-05
Successor callsigns
Callsigns held now by people who previously held KE9DFZ.
- Nightenhelser, HollandINgranted 2025-06-10