Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4BUP callsign genealogy
Currently held by Blue Ridge Farms Wireless
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 KI4BUP'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 KI4BUP.
- KN4YPOexpiredBLUE RIDGE FARMS WIRELESSVAgranted 2013-06-25cancelled 2025-09-06