Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4QIU callsign genealogy
Currently held by Pendrak, Michael A
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 KK4QIU'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 KK4QIU.
- Pendrak, Michael AFLgranted 2025-05-09