Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0PKS callsign genealogy
Currently held by Groszbach, Arnold E
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 KC0PKS'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 KC0PKS.
- Groszbach, Arnold EMNgranted 2003-05-09cancelled 2005-08-02