Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9YA callsign genealogy
Currently held by ROBERT F. HEYTOW MEMORIAL 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 K9YA's current licensee, walking backwards.
- KG6MKPcancelledROBERT F. HEYTOW MEMORIAL RADIO CLUBCAgranted 2002-07-19cancelled 2002-10-08
Successor callsigns
Callsigns held now by people who previously held K9YA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9YA, oldest first.
- HEYTOW, ROBERT F IL1999-02-23 → cancelled 2000-11-10
- ROBERT F. HEYTOW MEMORIAL RADIO CLUB IL2022-10-04 active