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

KP4CG callsign genealogy

Currently held by GRAULAU, CARLOS 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 KP4CG's current licensee, walking backwards.

  1. KP4CAGcancelled· E
    GRAULAU, CARLOS APRgranted 2009-08-25cancelled 2011-05-06
  2. WP4OAVcancelled· G
    GRAULAU, CARLOS APRgranted 2009-08-03cancelled 2009-08-25

Successor callsigns

Callsigns held now by people who previously held KP4CG.

No current licensee on record previously held this callsign.

← Back to KP4CG License history →