Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7FQT callsign genealogy
Currently held by SIBO, WILLIAM J
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 K7FQT's current licensee, walking backwards.
- SIBO, WILLIAM JAZgranted 2008-05-14cancelled 2016-04-02
Successor callsigns
Callsigns held now by people who previously held K7FQT.
No current licensee on record previously held this callsign.