Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5FES callsign genealogy
Currently held by FRONTIER AMATEUR VHF EXPERIMENTERS
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 K5FES's current licensee, walking backwards.
- KC5WCKcancelledFRONTIER AMATEUR VHF EXPERIMENTERSOKgranted 1996-09-12cancelled 2003-02-11
Successor callsigns
Callsigns held now by people who previously held K5FES.
No current licensee on record previously held this callsign.