Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7CXX callsign genealogy
Currently held by CUNNINGHAM, CHADWICK I
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 KD7CXX's current licensee, walking backwards.
- CUNNINGHAM, CHADWICK INVgranted 2026-05-05cancelled 2026-05-27
Successor callsigns
Callsigns held now by people who previously held KD7CXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7CXX, oldest first.
- CUNNINGHAM, CHADWICK I WA2009-04-08 → cancelled 2021-04-09
- CUNNINGHAM, CHADWICK I NV2026-05-27 active