Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9KCQ callsign genealogy
Currently held by SPROULL, STEVEN C
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 KC9KCQ'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 KC9KCQ.
- SPROULL, STEVEN CILgranted 2015-10-27cancelled 2016-10-01