Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SGA callsign genealogy
Currently held by Altenberger, Samuel G
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 K7SGA's current licensee, walking backwards.
- Altenberger, Samuel GWAgranted 2016-10-21cancelled 2016-11-11
Successor callsigns
Callsigns held now by people who previously held K7SGA.
- Altenberger, Samuel GNYgranted 2025-08-22