Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KOH callsign genealogy
Currently held by KOHLHEYER, CURT 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 K4KOH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4KOH.
No current licensee on record previously held this callsign.