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

KP4PRR callsign genealogy

Currently held by RIOS ROSADO, PEDRO

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 KP4PRR's current licensee, walking backwards.

  1. WP3LTcancelled· G
    RIOS ROSADO, PEDROPRgranted 2022-04-26cancelled 2022-05-14
  2. WP4KPMcancelled· G
    RIOS ROSADO, PEDROPRgranted 2001-07-25cancelled 2001-08-03
  3. WP4AUU
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KP4PRR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4PRR, oldest first.

  • ROSARIO, PRUDENCIO PR
    2009-08-06 → cancelled 2021-07-01
  • RIOS ROSADO, PEDRO PR
    2022-05-14 active
← Back to KP4PRR License history →