Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NS1TA callsign genealogy
Currently held by PLAZIAK, MICHAEL R
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 NS1TA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NS1TA.
No current licensee on record previously held this callsign.