Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1PT callsign genealogy
Currently held by CALDERIN-SILVA, JAIME J
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 K1PT's current licensee, walking backwards.
- CALDERIN-SILVA, JAIME JPRgranted 2023-12-28cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held K1PT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1PT, oldest first.
- TIBBETTS, PAUL D FL2014-04-28 → cancelled 2026-07-15
- CALDERIN-SILVA, JAIME J PR2026-08-04 active