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

KP4MER callsign genealogy

Currently held by RIVERA LUCIANO, MARTA E

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 KP4MER's current licensee, walking backwards.

  1. WP4SFVcancelled· T
    RIVERA LUCIANO, MARTA EPRgranted 2022-04-04cancelled 2022-05-13

Successor callsigns

Callsigns held now by people who previously held KP4MER.

No current licensee on record previously held this callsign.