Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2GPU callsign genealogy
Currently held by DeFilippis Jr, Mark J
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 KC2GPU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC2GPU.
- DeFilippis Jr, Mark JNYgranted 2000-07-28cancelled 2000-08-15