Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CSF callsign genealogy
Currently held by Flint, Christopher S
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 W4CSF's current licensee, walking backwards.
- Flint, Christopher SVAgranted 2016-03-03cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held W4CSF.
No current licensee on record previously held this callsign.