Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4QI callsign genealogy
Currently held by PRENTICE, CHARLES A
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 K4QI's current licensee, walking backwards.
- PRENTICE, CHARLES AFLgranted 2017-02-10cancelled 2017-10-03
Successor callsigns
Callsigns held now by people who previously held K4QI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4QI, oldest first.
- HOLSHOUSER JR, HOWARD E NC2006-08-29 → cancelled 2015-09-14
- PRENTICE, CHARLES A FL2017-10-03 active