Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3SGI callsign genealogy
Currently held by Smyth, James A
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 K3SGI's current licensee, walking backwards.
- Smyth, James AMDgranted 2020-10-13cancelled 2020-10-31
Successor callsigns
Callsigns held now by people who previously held K3SGI.
No current licensee on record previously held this callsign.