Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7PX callsign genealogy
Currently held by HOLM, CHARLES L
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 KD7PX's current licensee, walking backwards.
- WB7SJOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD7PX.
- HOLM, CHARLES LIDgranted 2026-01-28