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

KP4SDR callsign genealogy

Currently held by SANCHEZ, JORGE A

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 KP4SDR's current licensee, walking backwards.

  1. NP4DDcancelled· G
    SANCHEZ, JORGE APRgranted 2015-04-15cancelled 2020-07-28
  2. WP4DZEcancelled· G
    SANCHEZ-ARROYO, JORGE APRgranted 2004-11-19cancelled 2005-05-20

Successor callsigns

Callsigns held now by people who previously held KP4SDR.

No current licensee on record previously held this callsign.

← Back to KP4SDR License history →