Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7ABC callsign genealogy
Currently held by Hahn, Ethan J
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 KD7ABC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD7ABC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7ABC, oldest first.
- PARSONS, ROBERT L OR2006-02-09 → cancelled 2018-05-03
- Hahn, Ethan J WA2025-08-19 active