Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SFQ callsign genealogy
Currently held by Fink, Sierra E
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 K4SFQ's current licensee, walking backwards.
- Fink, Sierra EGAgranted 2015-12-08cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held K4SFQ.
No current licensee on record previously held this callsign.