Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7MDU callsign genealogy
Currently held by Inland Empire VHF Radio Ama
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 KD7MDU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD7MDU.
- WR7VHFactiveINLAND EMPIRE VHF RADIO AMATEURSWAgranted 2021-03-24