Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4DPM callsign genealogy
Currently held by PEREZ MONTALVO, DEMPZY
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 KP4DPM's current licensee, walking backwards.
- PEREZ MONTALVO, DEMPZYPRgranted 2022-01-31cancelled 2022-02-18
Successor callsigns
Callsigns held now by people who previously held KP4DPM.
No current licensee on record previously held this callsign.