Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4VBF callsign genealogy
Currently held by Winfree, David M
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 KN4VBF'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 KN4VBF.
- Winfree, David MNCgranted 2019-07-02cancelled 2024-07-09