Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3IRB callsign genealogy
Currently held by RHINE, FLOYD W
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 W3IRB's current licensee, walking backwards.
- Bragunier, Isaac RPAgranted 2018-01-29cancelled 2018-02-16
Successor callsigns
Callsigns held now by people who previously held W3IRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3IRB, oldest first.
- RHINE, FLOYD W MD1998-11-16 → cancelled 2008-05-13
- Bragunier, Isaac R PA2018-02-16 active