Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4SFS callsign genealogy
Currently held by EGAN, MICHAEL
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 KD4SFS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD4SFS.
- EGAN, MICHAELMAgranted 2002-09-25cancelled 2011-11-15