Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4UQU callsign genealogy
Currently held by Walk, Robert D
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 KA4UQU's current licensee, walking backwards.
- Walk, Robert DGAgranted 2024-05-07cancelled 2024-08-20
Successor callsigns
Callsigns held now by people who previously held KA4UQU.
No current licensee on record previously held this callsign.