Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4OIB callsign genealogy
Currently held by McDONALD, JOSHUA J
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 KI4OIB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI4OIB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4OIB, oldest first.
- McDONALD, JOSHUA J AL2006-03-23 → cancelled 2018-03-24
- HIPP JR, BENNY L NC2019-11-02 active