Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1OK callsign genealogy
Currently held by Orawsky Jr, Michael D
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 N1OK's current licensee, walking backwards.
- Orawsky Jr, Michael DCTgranted 2009-09-11cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held N1OK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1OK, oldest first.
- Brownell, John R MA2007-07-25 → cancelled 2008-01-19
- Orawsky Jr, Michael D CT2021-01-07 active