Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU4IR callsign genealogy
Currently held by NEFF, HERSCHEL E
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 KU4IR's current licensee, walking backwards.
- KF4NFWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KU4IR.
- NEFF, HERSCHEL EKYgranted 2020-04-23