Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4IZ callsign genealogy
Currently held by Zipper, Neal 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 KR4IZ's current licensee, walking backwards.
- KD4EGEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KR4IZ.
- Zipper, Neal RFLgranted 2022-11-04