Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9LZ callsign genealogy
Currently held by Larson, Dale L
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 AD9LZ's current licensee, walking backwards.
- Larson, Dale LWIgranted 2015-11-02cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held AD9LZ.
No current licensee on record previously held this callsign.