Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4RAY callsign genealogy
Currently held by CASE, BRENT S
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 KI4RAY's current licensee, walking backwards.
- Nicholson, Raymond KTNgranted 2024-12-24cancelled 2025-01-14
Successor callsigns
Callsigns held now by people who previously held KI4RAY.
- CASE, BRENT SSCgranted 2017-08-28
All historical holders
Every license row we've seen with the callsign KI4RAY, oldest first.
- CASE, BRENT S SC2006-09-05 → cancelled 2007-11-20
- Nicholson, Raymond K TN2025-01-14 active