Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4STK callsign genealogy
Currently held by Munoz-Rosa, Marcelino
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 KP4STK's current licensee, walking backwards.
- Munoz-Rosa, MarcelinoPRgranted 2006-11-02cancelled 2006-11-28
Successor callsigns
Callsigns held now by people who previously held KP4STK.
No current licensee on record previously held this callsign.