Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4CPP callsign genealogy
Currently held by May, Gregory V
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 KI4CPP's current licensee, walking backwards.
- May, Gregory VKYgranted 2001-11-27cancelled 2003-10-17
Successor callsigns
Callsigns held now by people who previously held KI4CPP.
- May, Gregory VKYgranted 2023-10-20