Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4DK callsign genealogy
Currently held by Lavezza, Bernard 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 KN4DK's current licensee, walking backwards.
- Knisely, David CVAgranted 2015-03-09cancelled 2015-03-31
Successor callsigns
Callsigns held now by people who previously held KN4DK.
- Lavezza, Bernard MVAgranted 2000-04-15cancelled 2005-03-15
All historical holders
Every license row we've seen with the callsign KN4DK, oldest first.
- Lavezza, Bernard M FL2000-04-15 → cancelled 2001-12-03
- Knisely, David C VA2015-03-31 active