Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3JBC callsign genealogy
Currently held by Constantine Jr., Joseph 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 K3JBC's current licensee, walking backwards.
- Carnicella Jr, John BPAgranted 2019-03-18cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held K3JBC.
- Constantine Jr., Joseph BPAgranted 2022-03-29
All historical holders
Every license row we've seen with the callsign K3JBC, oldest first.
- Constantine Jr., Joseph B PA2009-11-21 → cancelled 2012-04-03
- Carnicella Jr, John B PA2019-04-09 active