Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7KH callsign genealogy
Currently held by Siewert, LaVern H
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 AD7KH's current licensee, walking backwards.
- Siewert, LaVern HORgranted 1997-02-21cancelled 2006-12-05
Successor callsigns
Callsigns held now by people who previously held AD7KH.
No current licensee on record previously held this callsign.