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

KP4YR callsign genealogy

Currently held by JORDAN, JORGE R

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 KP4YR's current licensee, walking backwards.

  1. KP4YRScancelled· E
    JORDAN, JORGE RPRgranted 2018-11-14cancelled 2022-03-08
  2. WP4QOWcancelled· T
    JORDAN, JORGE RPRgranted 2018-10-23cancelled 2018-11-14

Successor callsigns

Callsigns held now by people who previously held KP4YR.

  1. NP4ATcancelled· A
    CRESPO VEGA, FRANCISCOPRgranted 2017-03-17cancelled 2018-01-23

All historical holders

Every license row we've seen with the callsign KP4YR, oldest first.

  • CRESPO VEGA, FRANCISCO PR
    2012-03-20 → cancelled 2017-03-17
  • JORDAN, JORGE R PR
    2022-03-08 active
← Back to KP4YR License history →