Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IW callsign genealogy
Currently held by NICHOLS SR, GEORGE H
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 K4IW's current licensee, walking backwards.
- INDERLIED, ROBERT DFLgranted 2002-08-20cancelled 2009-09-11
Successor callsigns
Callsigns held now by people who previously held K4IW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4IW, oldest first.
- NICHOLS SR, GEORGE H SC1997-08-22 → cancelled 2009-08-25
- INDERLIED, ROBERT D FL2019-06-18 active