Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RPB callsign genealogy
Currently held by Rust, Claude 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 W9RPB's current licensee, walking backwards.
- Rust, Claude AINgranted 2012-11-09cancelled 2018-12-29
Successor callsigns
Callsigns held now by people who previously held W9RPB.
No current licensee on record previously held this callsign.