Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN1B callsign genealogy
Currently held by FLEMING JR, JOHN R
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 KN1B's current licensee, walking backwards.
- BROWN, KIRK NLAgranted 2004-12-07cancelled 2010-04-23
Successor callsigns
Callsigns held now by people who previously held KN1B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN1B, oldest first.
- FLEMING JR, JOHN R MA1997-07-25 → cancelled 2009-07-28
- BROWN, KIRK N FL2020-04-14 active