Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GDK callsign genealogy
Currently held by Kerber, William M
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 N4GDK's current licensee, walking backwards.
- Kerber, William MTNgranted 2002-02-26cancelled 2006-12-05
Successor callsigns
Callsigns held now by people who previously held N4GDK.
- Kerber, William MTNgranted 2008-03-29cancelled 2012-04-20