Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1GUS callsign genealogy
Currently held by Swanson, Roy 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 K1GUS's current licensee, walking backwards.
- Swanson, Roy DCOgranted 2020-03-11cancelled 2020-03-31
Successor callsigns
Callsigns held now by people who previously held K1GUS.
No current licensee on record previously held this callsign.