Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ERP callsign genealogy
Currently held by Baltos, Robert T
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 W3ERP's current licensee, walking backwards.
- Baltos, Robert TFLgranted 2018-02-05cancelled 2018-05-08
Successor callsigns
Callsigns held now by people who previously held W3ERP.
No current licensee on record previously held this callsign.