Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9FKW callsign genealogy
Currently held by Ferguson, Derek R
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 WB9FKW's current licensee, walking backwards.
- Ferguson, Derek RINgranted 2020-10-20cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held WB9FKW.
No current licensee on record previously held this callsign.