Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SER callsign genealogy
Currently held by Amaral, Sergio
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 W7SER's current licensee, walking backwards.
- Amaral, SergioTXgranted 2011-06-03cancelled 2012-01-04
Successor callsigns
Callsigns held now by people who previously held W7SER.
No current licensee on record previously held this callsign.