Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4PTD callsign genealogy
Currently held by TORRES DIAZ, PEDRO A
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 KP4PTD's current licensee, walking backwards.
- TORRES DIAZ, PEDRO Acancelled 1998-12-15
Successor callsigns
Callsigns held now by people who previously held KP4PTD.
No current licensee on record previously held this callsign.