Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4IRB callsign genealogy
Currently held by Bittner, Brian
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 N4IRB's current licensee, walking backwards.
- Bittner, BrianILgranted 2019-08-26cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held N4IRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4IRB, oldest first.
- ELSTON, VALERIE L NC1999-07-12 → cancelled 2011-07-13
- Bittner, Brian IL2019-11-13 active