Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3RB callsign genealogy
Currently held by Barrell, Robert D
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 W3RB's current licensee, walking backwards.
- BLATZ, WILLIAM CDEgranted 2015-05-22cancelled 2021-08-03
Successor callsigns
Callsigns held now by people who previously held W3RB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3RB, oldest first.
- BOMBOY, ROBERT L PA1997-06-23 → cancelled 2009-06-24
- Barrell, Robert D FL2009-07-14 → cancelled 2021-07-15
- BLATZ, WILLIAM C DE2021-08-03 active