Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0NBN callsign genealogy
Currently held by CUMMINGS, SEAN S
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 K0NBN's current licensee, walking backwards.
- CUMMINGS, SEAN SKSgranted 2017-04-25cancelled 2019-05-10
Successor callsigns
Callsigns held now by people who previously held K0NBN.
No current licensee on record previously held this callsign.