Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3XP callsign genealogy
Currently held by LIBBY, NORBERT 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 K3XP's current licensee, walking backwards.
- LIBBY, NORBERT DMIgranted 2023-02-03cancelled 2023-06-23
Successor callsigns
Callsigns held now by people who previously held K3XP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3XP, oldest first.
- Extra Plus Association PA2011-06-02 → cancelled 2023-06-03
- LIBBY, NORBERT D MI2023-06-23 active