Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN0WBT callsign genealogy
Currently held by Abramovich, Michael L
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 KN0WBT's current licensee, walking backwards.
- Abramovich, Michael LAZgranted 2019-03-11cancelled 2019-03-30
Successor callsigns
Callsigns held now by people who previously held KN0WBT.
No current licensee on record previously held this callsign.