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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KP4RD callsign genealogy

Currently held by ROLDAN, FELIX 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 KP4RD's current licensee, walking backwards.

  1. KP4FRDcancelled· E
    ROLDAN DIAZ, FELIXPRgranted 1999-01-28cancelled 2002-04-03
  2. WP4KDPcancelled· G
    ROLDAN DIAZ, FELIXcancelled 1999-01-28

Successor callsigns

Callsigns held now by people who previously held KP4RD.

No current licensee on record previously held this callsign.

← Back to KP4RD License history →