Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4IRU callsign genealogy
Currently held by MISHICA, DIANA L
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 K4IRU's current licensee, walking backwards.
- KQ4KRScancelledPurchase Area Amateur Radio SocietyKYgranted 2023-08-22cancelled 2026-02-20
Successor callsigns
Callsigns held now by people who previously held K4IRU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4IRU, oldest first.
- MISHICA, DIANA L KY2022-10-01 → cancelled 2025-08-15
- Purchase Area Amateur Radio Society KY2026-02-20 active