Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4CAG 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 KP4CAG's current licensee, walking backwards.
- GRAULAU, CARLOS APRgranted 2009-08-03cancelled 2009-08-25
Successor callsigns
Callsigns held now by people who previously held KP4CAG.
- GRAULAU, CARLOS APRgranted 2021-05-28