Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9DZ callsign genealogy
Currently held by Koehl, Jaclyn
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 AD9DZ's current licensee, walking backwards.
- Koehl, JaclynINgranted 2024-02-06cancelled 2024-03-04
Successor callsigns
Callsigns held now by people who previously held AD9DZ.
No current licensee on record previously held this callsign.