Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4PK callsign genealogy
Currently held by GRYMALA, KENNETH J
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 KC4PK's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC4PK.
- GRYMALA, KENNETH JWVgranted 2014-09-03cancelled 2017-12-27