Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DDK callsign genealogy
Currently held by King, Sarah 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 N4DDK's current licensee, walking backwards.
- KING, SARAH Mcancelled 1998-12-17
Successor callsigns
Callsigns held now by people who previously held N4DDK.
- KING, ALICE IGAgranted 2016-12-07cancelled 2019-01-22