Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3RBT callsign genealogy
Currently held by Forbes, Robert R
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 W3RBT's current licensee, walking backwards.
- Forbes, Robert RPAgranted 2017-12-15cancelled 2018-01-05
Successor callsigns
Callsigns held now by people who previously held W3RBT.
No current licensee on record previously held this callsign.