Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4RBG callsign genealogy
Currently held by CARTHEN, ROY B
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 W4RBG's current licensee, walking backwards.
- Vogt, Joshua CORgranted 2020-07-13cancelled 2020-07-31
Successor callsigns
Callsigns held now by people who previously held W4RBG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RBG, oldest first.
- CARTHEN, ROY B FL2002-02-01 → cancelled 2014-04-08
- Vogt, Joshua C OR2020-07-31 active