Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DKK callsign genealogy
Currently held by KING, DAVID K
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 W4DKK's current licensee, walking backwards.
- KING, DAVID KTNgranted 1996-11-20cancelled 1999-10-26
Successor callsigns
Callsigns held now by people who previously held W4DKK.
No current licensee on record previously held this callsign.