Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4ZTN callsign genealogy
Currently held by KING, WILLIAM E
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 KG4ZTN's current licensee, walking backwards.
- KING, WILLIAM ENCgranted 2003-05-30cancelled 2007-12-07
Successor callsigns
Callsigns held now by people who previously held KG4ZTN.
All historical holders
Every license row we've seen with the callsign KG4ZTN, oldest first.
- KING, WILLIAM E NC2003-04-21 → cancelled 2003-05-30
- KING, WILLIAM E NC2007-12-07 → cancelled 2009-06-09