uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KP4F callsign genealogy

Currently held by Cubero Caban, Luis A

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 KP4F's current licensee, walking backwards.

  1. NP4Lactive· E
    PADILLA, CARLOSPRgranted 2023-06-22
  2. NP4AWcancelled· E
    PADILLA, CARLOSPRgranted 2017-04-07cancelled 2023-06-22
  3. KP4CPCcancelled· E
    PADILLA, CARLOSPRgranted 2010-04-29cancelled 2017-04-07
  4. NP3OFcancelled· G
    PADILLA CORTES, CARLOSPRgranted 1998-03-12cancelled 2000-07-24

Successor callsigns

Callsigns held now by people who previously held KP4F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4F, oldest first.

  • Pietri Troche, Pablo PR
    2018-03-03 → cancelled 2019-05-09
  • Cubero Caban, Luis A PR
    2021-05-28 active
← Back to KP4F License history →