uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KP4YH callsign genealogy

Currently held by RIVERA REYES, WILSON

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 KP4YH's current licensee, walking backwards.

  1. KE3WWcancelled· A
    RIVERA REYES, WILSONPRgranted 2005-06-28cancelled 2009-04-24

Successor callsigns

Callsigns held now by people who previously held KP4YH.

  1. KE3WWcancelled· A
    RIVERA REYES, WILSONPRgranted 2005-06-28cancelled 2009-04-24

All historical holders

Every license row we've seen with the callsign KP4YH, oldest first.

  • RIVERA REYES, WILSON PR
    2002-01-03 → cancelled 2005-06-28
  • RIVERA REYES, WILSON FL
    2019-02-11 active
← Back to KP4YH License history →