Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1OBI callsign genealogy
Currently held by DUBINSKY, PAUL 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 K1OBI's current licensee, walking backwards.
- DUBINSKY, PAUL BSCgranted 2015-12-14cancelled 2016-01-01
Successor callsigns
Callsigns held now by people who previously held K1OBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1OBI, oldest first.
- OUELLETTE, LOUIS R NH1996-09-19 → cancelled 2008-09-20
- DUBINSKY, PAUL B SC2025-12-02 active