Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NT3I callsign genealogy
Currently held by PARSONS SR, 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 NT3I's current licensee, walking backwards.
- Andrus, Aaron DPAgranted 2011-08-04cancelled 2017-03-14
Successor callsigns
Callsigns held now by people who previously held NT3I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NT3I, oldest first.
- PARSONS SR, CHARLES T MD1992-02-18 → cancelled 2004-02-19
- Matejicek, Stanislav VA2005-02-23 → cancelled 2017-02-24
- Andrus, Aaron D PA2017-03-14 active