Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0STC callsign genealogy
Currently held by GRUBESIC, JAANA B
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 N0STC's current licensee, walking backwards.
- KC0IHYcancelledUNIVERSITY OF ST THOMAS RADIO CLUBMNgranted 2000-06-22cancelled 2006-01-06
Successor callsigns
Callsigns held now by people who previously held N0STC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0STC, oldest first.
- GRUBESIC, JAANA B CO1995-09-11 → cancelled 2004-05-27
- UNIVERSITY OF ST THOMAS RADIO CLUB MN2016-02-08 active