Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF9S callsign genealogy
Currently held by Collins, Steven F
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 KF9S's current licensee, walking backwards.
- Collins, Steven FWIgranted 2001-08-15cancelled 2007-10-12
Successor callsigns
Callsigns held now by people who previously held KF9S.
- STRICKER, JEFFREY MMIgranted 2017-03-01