Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4NCR callsign genealogy
Currently held by COSME, NORBERTO 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 KP4NCR's current licensee, walking backwards.
- COSME, NORBERTO APRgranted 2005-02-11cancelled 2012-12-04
Successor callsigns
Callsigns held now by people who previously held KP4NCR.
- COSME, NORBERTO APRgranted 2022-08-05