Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9PIU callsign genealogy
Currently held by Montemac Amateur Repeater Club Inc
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 KC9PIU'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 KC9PIU.
- WA9FDPactiveMontemac Amateur Repeater Club IncILgranted 2020-04-29