Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4DLF callsign genealogy
Currently held by Farber, Douglas L
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 WB4DLF's current licensee, walking backwards.
- Farber, Douglas LFLgranted 2020-06-06cancelled 2021-11-02
Successor callsigns
Callsigns held now by people who previously held WB4DLF.
No current licensee on record previously held this callsign.