Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K2NGU callsign genealogy
Currently held by Grzelak, Peter S
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 K2NGU's current licensee, walking backwards.
- Grzelak, Peter SNJgranted 2022-01-18cancelled 2022-02-08
Successor callsigns
Callsigns held now by people who previously held K2NGU.
No current licensee on record previously held this callsign.