Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3SOG callsign genealogy
Currently held by Janczak, Joseph M
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 K3SOG's current licensee, walking backwards.
- Janczak, Joseph MPAgranted 2023-12-28cancelled 2024-01-17
Successor callsigns
Callsigns held now by people who previously held K3SOG.
No current licensee on record previously held this callsign.