Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA4CH callsign genealogy
Currently held by Johnson, Luke C
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 NA4CH's current licensee, walking backwards.
- Johnson, Luke CNCgranted 2026-03-26cancelled 2026-05-26
Successor callsigns
Callsigns held now by people who previously held NA4CH.
- Johnson, Luke CNCgranted 2026-06-23