Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DSG callsign genealogy
Currently held by Barwig, Nicholas 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 K7DSG's current licensee, walking backwards.
- Barwig, NicholasORgranted 2016-04-22cancelled 2016-08-23
Successor callsigns
Callsigns held now by people who previously held K7DSG.
- Barwig, Nicholas AORgranted 2022-04-19