Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9IVN callsign genealogy
Currently held by Nichols, Trent C
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 K9IVN's current licensee, walking backwards.
- Nichols, Trent CILgranted 2021-02-12cancelled 2021-03-02
Successor callsigns
Callsigns held now by people who previously held K9IVN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9IVN, oldest first.
- NICHOLS, EDWARD B IL1987-10-20 → cancelled 1999-10-21
- Nichols, Trent C IL2021-03-02 active