Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4DKX callsign genealogy
Currently held by Speed Sr, James J
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 KN4DKX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4DKX.
- SPEED SR, JAMES JTNgranted 2017-06-09cancelled 2019-07-20