Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ZW callsign genealogy
Currently held by MALDONADO, JAVIER T
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 KP4ZW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4ZW.
- MALDONADO, JAVIER TCAgranted 2009-11-28cancelled 2011-09-09
All historical holders
Every license row we've seen with the callsign KP4ZW, oldest first.
- MALDONADO, JAVIER T CA2002-03-07 → cancelled 2009-11-28
- MALDONADO AGOSTO, JAVIER T— → cancelled 1998-12-15