Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CAY callsign genealogy
Currently held by Schultz, Charles R
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 K4CAY's current licensee, walking backwards.
- KQ4HFGcancelledFulton County Amateur Radio ClubKYgranted 2023-03-23cancelled 2023-04-11
Successor callsigns
Callsigns held now by people who previously held K4CAY.
- Schultz, Charles RALgranted 2020-09-22cancelled 2023-09-08
All historical holders
Every license row we've seen with the callsign K4CAY, oldest first.
- Schultz, Charles R AL2020-09-22 → cancelled 2020-11-23
- Ken-Tenn Amateur Radio Association KY2023-04-11 active