Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GUA callsign genealogy
Currently held by Longnecker, William J
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 K4GUA's current licensee, walking backwards.
- Longnecker, William JGAgranted 2024-01-17cancelled 2024-02-06
Successor callsigns
Callsigns held now by people who previously held K4GUA.
No current licensee on record previously held this callsign.