Confidence: Medium · Source: FCC ULS · As of 2026-09-17
KD7XH callsign genealogy
Currently held by MAMMEN, CARY 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 KD7XH's current licensee, walking backwards.
- WB6MTDno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD7XH.
No current licensee on record previously held this callsign.