Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA7DX callsign genealogy
Currently held by CHIRACAHUA CONTEST CLUB
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 NA7DX's current licensee, walking backwards.
- KF7DDMcancelledSOUTHWEST DX CONTEST CLUBAZgranted 2009-06-10cancelled 2009-08-07
Successor callsigns
Callsigns held now by people who previously held NA7DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA7DX, oldest first.
- CHIRACAHUA CONTEST CLUB NM1997-07-17 → cancelled 2009-07-18
- SOUTHWEST DX CONTEST CLUB AZ2020-11-17 active