Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4ZG callsign genealogy
Currently held by Seigle, David D
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 AJ4ZG's current licensee, walking backwards.
- Seigle, David DKYgranted 2010-02-22cancelled 2010-05-17
Successor callsigns
Callsigns held now by people who previously held AJ4ZG.
No current licensee on record previously held this callsign.