Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0SF callsign genealogy
Currently held by FRAKES, STEVEN W
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 KA0SF's current licensee, walking backwards.
- FRAKES, STEVEN WMOgranted 2016-01-08cancelled 2021-01-05
Successor callsigns
Callsigns held now by people who previously held KA0SF.
No current licensee on record previously held this callsign.