Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ZTM callsign genealogy
Currently held by Torres Mateo, Keyla Z
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 KP4ZTM's current licensee, walking backwards.
- TORRES MATEO, KEYLA ZPRgranted 2018-10-17cancelled 2018-12-04
Successor callsigns
Callsigns held now by people who previously held KP4ZTM.
No current licensee on record previously held this callsign.