Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4YSF callsign genealogy
Currently held by WEST FISHER, MARIE A
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 KD4YSF's current licensee, walking backwards.
- West-Fisher, Marie AFLgranted 2011-02-22cancelled 2011-03-18
Successor callsigns
Callsigns held now by people who previously held KD4YSF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4YSF, oldest first.
- WEST FISHER, MARIE A FL1999-04-09 → cancelled 2005-03-03
- West-Fisher, Marie A VT2020-12-31 active