Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0STJ callsign genealogy
Currently held by GRUSH, GLEN E
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 N0STJ's current licensee, walking backwards.
- O Neil, MichaelCOgranted 2015-02-12cancelled 2015-03-07
Successor callsigns
Callsigns held now by people who previously held N0STJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0STJ, oldest first.
- GRUSH, GLEN E CO1992-05-26 → cancelled 2004-05-27
- O'Neill, Michael CO2015-03-07 active