Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5DJ callsign genealogy
Currently held by JOHNSON, DAVID 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 N5DJ's current licensee, walking backwards.
- JOHNSON, DAVID ATXgranted 2022-03-17cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held N5DJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5DJ, oldest first.
- MARQUARDT, PETER K MT2014-03-05 → cancelled 2026-05-27
- JOHNSON, DAVID A TX2026-06-13 active