Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RAB callsign genealogy
Currently held by Brown, Robert A
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 W9RAB's current licensee, walking backwards.
- Brown, Robert AILgranted 2026-03-26cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held W9RAB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9RAB, oldest first.
- BIEDRON Mr., RANDALL A IL2013-11-09 → cancelled 2026-03-06
- Brown, Robert A IL2026-08-14 active