Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0QXB callsign genealogy
Currently held by HALDI, JACOB 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 KC0QXB's current licensee, walking backwards.
- HALDI, JACOB FKSgranted 2003-09-30cancelled 2003-10-02
Successor callsigns
Callsigns held now by people who previously held KC0QXB.
- HALDI, JACOB FWYgranted 2013-10-17cancelled 2026-03-06