Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7FSI callsign genealogy
Currently held by FLIGHT SAFETY INTERNATIONAL RADIO CLUB
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 K7FSI's current licensee, walking backwards.
- KE7FPFcancelledFlight Safety International Radio ClubAZgranted 2005-11-28cancelled 2006-02-10
Successor callsigns
Callsigns held now by people who previously held K7FSI.
No current licensee on record previously held this callsign.