Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6ABF callsign genealogy
Currently held by Feder, Adam B
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 W6ABF's current licensee, walking backwards.
- Feder, Adam BCAgranted 2017-06-21cancelled 2017-07-11
Successor callsigns
Callsigns held now by people who previously held W6ABF.
No current licensee on record previously held this callsign.