Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KX4YU callsign genealogy
Currently held by Gregor Sr, Robert N
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 KX4YU's current licensee, walking backwards.
- Gregor Sr, Robert NTNgranted 2020-05-20cancelled 2020-06-17
Successor callsigns
Callsigns held now by people who previously held KX4YU.
No current licensee on record previously held this callsign.