Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3F callsign genealogy
Currently held by Lavetsky, George B
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 KB3F's current licensee, walking backwards.
- Lavetsky, George BPAgranted 2012-09-14cancelled 2022-02-11
Successor callsigns
Callsigns held now by people who previously held KB3F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3F, oldest first.
- FITZGERALD, BRIAN M PA2009-11-10 → cancelled 2022-01-08
- Lavetsky, George B PA2022-02-11 active