Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9YPX callsign genealogy
Currently held by INDIANAPOLIS POWER & LIGHT AMATEUR RADIO CLUB
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 KB9YPX'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 KB9YPX.
- K9IPLactiveINDIANAPOLIS POWER & LIGHT AMATEUR RADIO CLUBINgranted 2024-03-09