Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4FL callsign genealogy
Currently held by DAVIDSON, DOUGLAS D
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 KW4FL's current licensee, walking backwards.
- DAVIDSON, DOUGLAS DFLgranted 2000-01-11cancelled 2007-02-16
Successor callsigns
Callsigns held now by people who previously held KW4FL.
No current licensee on record previously held this callsign.