Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5GUG callsign genealogy
Currently held by Castle, Ronald
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 K5GUG's current licensee, walking backwards.
- Castle, RonaldNMgranted 2024-06-14cancelled 2024-09-17
Successor callsigns
Callsigns held now by people who previously held K5GUG.
No current licensee on record previously held this callsign.