Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4SSJ callsign genealogy
Currently held by Vargas-Burgos, Roberto
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 WP4SSJ's current licensee, walking backwards.
- Vargas-Burgos, RobertoPRgranted 2022-06-22cancelled 2022-12-19
Successor callsigns
Callsigns held now by people who previously held WP4SSJ.
- Vargas-Burgos, RobertoPRgranted 2023-01-06