Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KNJ callsign genealogy
Currently held by Smith, Samuel D
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 K4KNJ's current licensee, walking backwards.
- SMITH, SAMUEL DSCgranted 2008-12-15cancelled 2011-03-22
Successor callsigns
Callsigns held now by people who previously held K4KNJ.
No current licensee on record previously held this callsign.