Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CUP callsign genealogy
Currently held by FERGUSON JR, VIRGIL
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 K4CUP's current licensee, walking backwards.
- FERGUSON JR, VIRGILKYgranted 2012-09-11cancelled 2016-08-16
Successor callsigns
Callsigns held now by people who previously held K4CUP.
No current licensee on record previously held this callsign.