Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3JTB callsign genealogy
Currently held by BREEN, JUSTIN T
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 N3JTB's current licensee, walking backwards.
- BREEN, JUSTIN TPAgranted 2016-06-21cancelled 2016-07-12
Successor callsigns
Callsigns held now by people who previously held N3JTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3JTB, oldest first.
- CURTIN III, RICHARD L MD1991-06-18 → cancelled 2003-06-19
- BREEN, JUSTIN T PA2026-07-07 active