Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4CCH callsign genealogy
Currently held by ACOSTA, FREDDY U
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 KB4CCH's current licensee, walking backwards.
- Acosta, Freddy UFLgranted 2021-12-17cancelled 2022-01-25
Successor callsigns
Callsigns held now by people who previously held KB4CCH.
No current licensee on record previously held this callsign.