Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SIL callsign genealogy
Currently held by Silvia, Richard J
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 W1SIL's current licensee, walking backwards.
- Silvia, Richard JMAgranted 2018-01-10cancelled 2018-03-02
Successor callsigns
Callsigns held now by people who previously held W1SIL.
No current licensee on record previously held this callsign.