Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS0FFL callsign genealogy
Currently held by SWOPE, JOHN S
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 KS0FFL's current licensee, walking backwards.
- SWOPE, JOHN SKSgranted 2014-01-22cancelled 2014-02-19
Successor callsigns
Callsigns held now by people who previously held KS0FFL.
No current licensee on record previously held this callsign.