Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K9NET callsign genealogy
Currently held by LAYBOURNE, CLAYTON E
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 K9NET's current licensee, walking backwards.
- LUEMPERT, GUY HWIgranted 2021-05-01cancelled 2023-03-28
Successor callsigns
Callsigns held now by people who previously held K9NET.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9NET, oldest first.
- LAYBOURNE, CLAYTON E MO2010-08-10 → cancelled 2022-08-11
- LUEMPERT, GUY H WI2023-03-28 active