Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NC4JJ callsign genealogy
Currently held by Johnston Jr, John A
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 NC4JJ's current licensee, walking backwards.
- Johnston Jr, John ANCgranted 2012-04-25cancelled 2013-06-29
Successor callsigns
Callsigns held now by people who previously held NC4JJ.
No current licensee on record previously held this callsign.