Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0PSU callsign genealogy
Currently held by RANSOME JR, MICHAEL P
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 KD0PSU'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 KD0PSU.
- RANSOME JR, MICHAEL PIAgranted 2022-06-22