Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PST callsign genealogy
Currently held by TERRASA, JUAN C
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 K4PST's current licensee, walking backwards.
- TERRASA, JUAN CNCgranted 2003-11-05cancelled 2012-03-23
Successor callsigns
Callsigns held now by people who previously held K4PST.
No current licensee on record previously held this callsign.