Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2PMA callsign genealogy
Currently held by Winterberger, Ralph 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 KC2PMA'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 KC2PMA.
- Winterberger, Ralph ENYgranted 2017-09-06