Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2KMG callsign genealogy
Currently held by Kobsa, Peter
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 K2KMG's current licensee, walking backwards.
- Gelefsky, MarcNJgranted 2025-11-26cancelled 2026-03-20
Successor callsigns
Callsigns held now by people who previously held K2KMG.
- Kobsa, PeterNYgranted 2023-02-14
All historical holders
Every license row we've seen with the callsign K2KMG, oldest first.
- Kobsa, Peter NY2023-01-04 → cancelled 2023-02-14
- Gelefsky, Marc NJ2026-03-20 active