Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5RNJ callsign genealogy
Currently held by Amateur Radio Interest Dichotomy
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 KC5RNJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC5RNJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5RNJ, oldest first.
- HADFIELD, CHRIS A TX2006-03-23 → cancelled 2017-11-03
- Amateur Radio Interest Dichotomy GA2024-02-21 active