Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4BWP callsign genealogy
Currently held by MC CLAIN III, HENRY H
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 KD4BWP'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 KD4BWP.
- MC CLAIN III, HENRY HFLgranted 2021-10-07