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

KP4TW callsign genealogy

Currently held by O NEILL ARROYO, RAFAEL

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 KP4TW's current licensee, walking backwards.

  1. NP3Iactive· E
    VARGAS QUINONES, MIRITSSAPRgranted 2020-09-19
  2. WP4YLcancelled· E
    VARGAS QUINONES, MIRITSSAPRgranted 2016-12-03cancelled 2020-09-19
  3. WP4ONJcancelled· G
    Vargas Quinones, MiritssaPRgranted 2012-02-16cancelled 2016-12-03

Successor callsigns

Callsigns held now by people who previously held KP4TW.

No current licensee on record previously held this callsign.

← Back to KP4TW License history →