Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KN4DVM callsign genealogy
Currently held by Finkelstein, Brett M
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 KN4DVM's current licensee, walking backwards.
- Finkelstein, Brett MFLgranted 2021-11-08cancelled 2022-01-05
Successor callsigns
Callsigns held now by people who previously held KN4DVM.
- SMITH, JARRED ANCgranted 2018-08-10
All historical holders
Every license row we've seen with the callsign KN4DVM, oldest first.
- SMITH, JARRED A NC2017-06-12 → cancelled 2018-08-10
- Finkelstein, Brett M FL2022-01-05 active