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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NP3RK callsign genealogy

Currently held by SANTOS TORRES, LUIS F

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 NP3RK's current licensee, walking backwards.

  1. KP4LSTcancelled· G
    SANTOS TORRES, LUIS FPRgranted 2016-10-18cancelled 2019-07-30
  2. KM4YBNcancelled· T
    SANTOS TORRES, LUIS FFLgranted 2016-09-30cancelled 2016-10-18

Successor callsigns

Callsigns held now by people who previously held NP3RK.

  1. KP4BRTactive· E
    TORRES RODRIGUEZ, OIGIMERPRgranted 2017-04-28

All historical holders

Every license row we've seen with the callsign NP3RK, oldest first.

  • TORRES RODRIGUEZ, OIGIMER PR
    2009-08-11 → cancelled 2017-04-28
  • SANTOS TORRES, LUIS F PR
    2019-07-30 active
← Back to NP3RK License history →