Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN2B callsign genealogy
Currently held by STUDT, ROBERT 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 KN2B's current licensee, walking backwards.
- STUDT, ROBERT ENJgranted 2011-05-24cancelled 2018-11-20
Successor callsigns
Callsigns held now by people who previously held KN2B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN2B, oldest first.
- Polhemus, Harry G NJ2015-11-05 → cancelled 2016-11-01
- STUDT, ROBERT E NJ2018-11-20 active