Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K7JSF callsign genealogy
Currently held by Firos, Julie 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 K7JSF's current licensee, walking backwards.
- Firos, Julie SAZgranted 2002-06-05cancelled 2002-06-28
Successor callsigns
Callsigns held now by people who previously held K7JSF.
No current licensee on record previously held this callsign.