Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2GUJ callsign genealogy
Currently held by SIROTIAK, DOUGLAS W
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 N2GUJ's current licensee, walking backwards.
- Sirotiak, Douglas WNJgranted 2011-02-25cancelled 2011-03-22
Successor callsigns
Callsigns held now by people who previously held N2GUJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2GUJ, oldest first.
- SIROTIAK, DOUGLAS W NJ1991-03-12 → cancelled 2003-03-13
- Sirotiak, Douglas W NJ2021-01-23 active