Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4PG callsign genealogy
Currently held by COSTA, JOHN B
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 KW4PG's current licensee, walking backwards.
- COSTA, JOHN BSCgranted 2015-06-03cancelled 2015-12-18
Successor callsigns
Callsigns held now by people who previously held KW4PG.
- COSTA, JOHN BNYgranted 2026-05-12