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

NP4DG callsign genealogy

Currently held by GUIDO ROSSY, DANIEL

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 NP4DG's current licensee, walking backwards.

  1. WP4OGBcancelled· G
    GUIDO ROSSY, DANIELPRgranted 2003-02-14cancelled 2010-10-15
  2. WP4LKGcancelled· G
    GUIDO ROSSY, DANIELPRgranted 2003-02-14cancelled 2010-09-15

Successor callsigns

Callsigns held now by people who previously held NP4DG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NP4DG, oldest first.

  • LOPEZ, BENITO PR
    1996-08-13 → cancelled 2008-08-14
  • GUIDO ROSSY, DANIEL PR
    2020-08-29 active
← Back to NP4DG License history →