Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM9N callsign genealogy
Currently held by ALDRIDGE, CHARLES T
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 KM9N's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KM9N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM9N, oldest first.
- GARRINGTON, ROBERT J WI1989-09-26 → cancelled 2001-09-27
- ALDRIDGE, CHARLES T IL2019-08-06 active