Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4FS callsign genealogy
Currently held by ISOM, BETH I
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 KX4FS's current licensee, walking backwards.
- ISOM, BETH ITNgranted 2016-01-07cancelled 2017-09-07
Successor callsigns
Callsigns held now by people who previously held KX4FS.
No current licensee on record previously held this callsign.