Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DSF callsign genealogy
Currently held by Fletcher, Donald 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 W4DSF's current licensee, walking backwards.
- Fletcher, Donald SALgranted 1999-12-14cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held W4DSF.
No current licensee on record previously held this callsign.