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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KP4CBI callsign genealogy

Currently held by Ortiz-Morales, Martin 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 KP4CBI's current licensee, walking backwards.

  1. WP3DTcancelled· G
    Ortiz-Morales, Martin JPRgranted 2018-12-27cancelled 2019-11-23

Successor callsigns

Callsigns held now by people who previously held KP4CBI.

  1. WP3DTcancelled· G
    Ortiz-Morales, Martin JPRgranted 2018-12-27cancelled 2019-11-23
  2. WP4PUAcancelled· T
    Ortiz-Morales, Martin JPRgranted 2017-12-22cancelled 2018-05-09

All historical holders

Every license row we've seen with the callsign KP4CBI, oldest first.

  • Ortiz-Morales, Martin J PR
    2017-02-24 → cancelled 2017-12-22
  • Ortiz-Morales, Martin J PR
    2018-05-09 → cancelled 2018-12-27
  • Ortiz-Morales, Martin J PR
    2019-11-23 active
← Back to KP4CBI License history →