Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4AUB callsign genealogy
Currently held by Selby Sr, Robert S
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 K4AUB's current licensee, walking backwards.
- VASKO, KEVINALgranted 2023-04-27cancelled 2023-08-01
Successor callsigns
Callsigns held now by people who previously held K4AUB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4AUB, oldest first.
- Selby Sr, Robert S AL2011-04-05 → cancelled 2023-07-12
- VASKO, KEVIN AL2023-08-01 active