Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1GSK callsign genealogy
Currently held by Kaczowka, George
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 N1GSK's current licensee, walking backwards.
- Kaczowka, GeorgeMEgranted 2025-06-18cancelled 2025-08-01
Successor callsigns
Callsigns held now by people who previously held N1GSK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1GSK, oldest first.
- NATARAJAN, NITIN VA2001-10-17 → cancelled 2013-12-25
- Kaczowka, George ME2025-08-01 active