Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0CH callsign genealogy
Currently held by DE BACKER, THOMAS 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 N0CH's current licensee, walking backwards.
- TOLIVAR, SHAWNKSgranted 2005-09-20cancelled 2008-02-16
Successor callsigns
Callsigns held now by people who previously held N0CH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0CH, oldest first.
- DE BACKER, THOMAS H CO1996-07-22 → cancelled 2002-06-30
- TOLIVAR, SHAWN MO2018-02-22 active