Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2SDF callsign genealogy
Currently held by Fybush, Scott D
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 K2SDF's current licensee, walking backwards.
- Fybush, Scott DNYgranted 2016-06-02cancelled 2016-06-28
Successor callsigns
Callsigns held now by people who previously held K2SDF.
No current licensee on record previously held this callsign.