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

KP3T callsign genealogy

Currently held by ECHEVARRIA LOPEZ, WILFREDO

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 KP3T'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 KP3T.

  1. KP4NLactive· E
    ECHEVARRIA LOPEZ, WILFREDOPRgranted 2019-03-21

All historical holders

Every license row we've seen with the callsign KP3T, oldest first.

  • Rivera, Jose A PR
    2021-07-24 active
  • ECHEVARRIA LOPEZ, WILFREDO
    — → cancelled 1999-03-17
← Back to KP3T License history →