Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4FO callsign genealogy
Currently held by AGUILAR, CARLOS
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 KX4FO's current licensee, walking backwards.
- AGUILAR, CARLOSSCgranted 2017-10-06cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held KX4FO.
- AGUILAR, CARLOSSCgranted 2017-10-06cancelled 2018-11-24