Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4PPI callsign genealogy
Currently held by Gnadinger Jr, Carl 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 KM4PPI'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 KM4PPI.
- Gnadinger Jr, Carl JKYgranted 2016-10-22