Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2GRK callsign genealogy
Currently held by Malinowski, John R
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 K2GRK's current licensee, walking backwards.
- Malinowski, John RNJgranted 2012-05-31cancelled 2012-07-03
Successor callsigns
Callsigns held now by people who previously held K2GRK.
No current licensee on record previously held this callsign.