Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ADJ callsign genealogy
Currently held by JOHNSON, ARTHUR 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 K7ADJ's current licensee, walking backwards.
- JOHNSON, ARTHUR DUTgranted 2015-12-10cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held K7ADJ.
No current licensee on record previously held this callsign.