Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3RSR callsign genealogy
Currently held by Martins, Rafael 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 W3RSR's current licensee, walking backwards.
- Martins, Rafael TMAgranted 2024-07-20cancelled 2025-09-09
Successor callsigns
Callsigns held now by people who previously held W3RSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3RSR, oldest first.
- Bell, William L PA2007-08-14 → cancelled 2019-11-13
- Martins, Rafael T MA2025-09-09 active