Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NT3ST callsign genealogy
Currently held by HAMSTUDY.ORG
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 NT3ST's current licensee, walking backwards.
- KG7FRQcancelledHAMSTUDY.ORGUTgranted 2013-09-27cancelled 2013-11-06
Successor callsigns
Callsigns held now by people who previously held NT3ST.
No current licensee on record previously held this callsign.